To add fractions they must have the same ______.
What is denominator?
IF subtracting fractions with unlike denominators you must multiply the fractions by ____ to create an equivalent fraction. ( ?/?)
What is an equivalent form of 1.
Find the LCM of 30 & 50
What is 150
A ticket to LA cost $390, and a ticket to Hong Kong costs 2 1/2 times as much. Which equation can you solve to show how much the ticket to Hong Kong costs?
A. $390 + $390= B $390 x 2 1/2=
C $390 / 2 1/2= D. $390 + 2 1/2=
B $390 x 2 1/2=c
When adding fractions with unlike denominators, you must find the ______.
2/5 +1/10=
What is the least common denominator?
5/6 - 1/3 =
and what are the steps?
What is 1/2?
Find a common denominator
Multiply each by a factor of 1 (?/?)
Add the numerators
Simplify (divide) using (?/?)
`Find the LCM of 10 & 100
What is 100
Tina is making a sign to advertise the school play. The width of the sign is 2 2/3 feet. If the length is 4 1/2 times as much, then what is the length of the sign?
12 feet
When adding fractions with a common denominator, what do you do with the numerators?
1/3+1/3 =
What is add? 2/3
Find the LCM of 15 & 20
What is 60
Jared surfed for 1/3 of the 9 hours he was on the beach. He spent the rest of the time building a sand castle. How many hours did he spend building a sand castle?
6 hours
Fractions can be simplified if the numerator and denominator have common _______.
2/4 =( / )
What are a common factors?
Rename these fractions to have a denominator of 42:
What is
Misty bought 3 CDs. The country music CD cost $12. The rock music CD cost 2/3 as much as the country music CD. The platinum edition CD cost twice as much as the rock CD. What was the cost of the three CDs?
$36
The sum of fractions cannot be simplified if the numerator AND denominator are ______?
1/5 + 1/5 =
What are relative primes?
A fraction with the same numerator and denominator. 34/34
What is an equivalent form of 1?
What do you call the answer to a multiplication problem?
What is “the product”
Danielle has a board that is 41 2/3 inches long. It is 5 times as long as the board Gina has. How long is Gina's board?
8 1/3 inches long
4/8 + 2/3
What is 1 1/6
9/12-2/8
What is 1/2
Amy is playing salute, the dealer say 15, her partner has a 3 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
5 is the missing number
15 ./. 5= 3
5x3= 15
1/2 : 10
1/20
1/4= x/12
What is 3
Find the LCD for 1/4 and 1/6
12
What is (2 4/9 + 1/3) x (1 1/4 - 1/8)?
3 1/8
2/10 + 3/10
What is 5/10
14 2/5 - 9 3/8
What is 5 1/40
Delina is playing salute, the dealer say 28, her partner has a 4 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
28 ./. 4= 7
7 x 4 = 28
10 : 1/2
20
2/5=x/10
What is 4
What is the LCD for 1/6 and 2/5?
30
Find the solution: 1 4/5 x 1 1/3 x 1 1 3/4 =?
4 1/5
1 2/3 + 2 3/4
What is 4 5/12
8/12-3/12
What is 5/12
Aimee is playing salute, the dealer say 42, her partner has a 6 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
42 ./. 6= 7
6 x 7= 42
There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?
12 children will get pizzas.
Draw 1/4 and 1/2. Are these equivalent fractions? how do you know?
Yes they are equivalent because the shaded area of each fraction is the same.
What is the LCD for 3/4 and 3/5?
20
What is 3 1/7 x 1 1/4?
3 13/14
What are the steps to solve: 3/6 + 1/4 ?
1.
2.
3.
4.
What are
1. Find a common denominator: ?/12 and ?/12
2. Add the numerators,
3. Check for common factors,
4. Simplify.
5/10 - 2/12 must use cross multiplication method
What is 1/3
Ava is playing salute, the dealer say 48, her partner has a 8 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
48 ./. 8= 6
6x8= 48
You have 1/2 of a pizza. You need to divide it between 4 people. What fraction of a pizza will each person get?
Each person will get 1/8 of a pizza.
2/3 and 4/6.
Are these equivalent fractions?
How do you know?
Yes, when reduced by (?/?) or multiplied by (?/?) each fraction is the same.
What is the LCD for 7/9 and 5/6
18
What is 1 3/5 x 2 1/4?
3 3/5
3 1/3 + 2 1/4 +1 1/9
The denominator has to be _____ because....
The next steps are.......
What is 36, because 4 and 9 have no common factors.
The next step is changing each fraction to a common denominator
Then add the fractions, and then the whole numbers. What is 6 25/36
10/12 - 4/10 cross multiplication
13/30 (reduced) 52/120 before
Jaeleen is playing salute, the dealer say 63, her partner has a 7 on her forehead. What is the missing number? Write a multiplication and division sentence to solve.
63 ./. 7= 9
7 x 9 = 63
Six people share ¾ kg of chocolate equally. How much chocolate does each person get?
Each person will get 1/8 kg. of chocolate.
Draw 3/4 and 1/3. Are these equivalent fractions, how do you know?
No they are not equivalent fractions because the shaded area does not take up the same amount of space.
What is the LCD for 8/11 and 4/7?
77
What is 2 3/4 x 8?
22