Multiplying Fractions
To multiply fractions the denominators must be the same. True or False?
What is false
What is the "method" you need to use when Dividing Fractions?
Keep Change Flip
Before we can add or subtract fractions, we must have a common...
What is denominator
When finding the LCD, you list the ______ of each number and find the first one they have in common.
Multiples
When finding the GCF, you list the ______ of each number.
What is Factor
When their is a Whole # in the problem what step must you do first?
Must put a 1 underneath the whole # to turn into a fraction.
a fraction with the numerator greater than the denominator
What is an improper fraction?
List the first six multiples for 4
4, 8, 12, 16, 20, 24
How do you know if a # is divisible by 2?
Solve: 3/4 x 8/15 = ? Put Answer into Simplest Form.
24/60 = 2/5, Answer is 2/5
10 ÷ 3/7
Keep Change Flip
10/1 x 7/3
70/3 or 23 1/3
How do you change an Improper Fraction into a Mixed Number? Solve 26/4
6 2/4 or 6 1/2
Find the LCM of 15 & 20
What is 60
Find the GCF of 18 and 27
What is 9
What is 3 1/7 x 1 1/4?
3 13/14
There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?
12 children will get pizzas.
How do you change a Mixed Number into an Improper Fraction? Solve: 6 13/15
103/15
Find the LCM of 9 and 12
What is 36
What is the GCF of 13 and 39?
What is 13
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, then what is the area of the sign?
1st - Make Mixed Numbers into Improper Fractions
2nd - Solve
8/3 x 9/2 = 72/6 or 12
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.
Riddle: Which Fraction am I?
- My denominator is even
- My numerator is 1
- I am less than 1/3
- You can use 4 of me to make 1 whole
1/2, 3/4, 2/5, 1/6, 1/3, 2/3, 1/4, 3/8
1/4
Find the LCM 5,6 and 12
What is 60
Find the GCF of 45 and 75
What is 15