Adding Fractions
to add fractions they must have the same ______.
What is denominator?
When subtracting fractions, denominators must be ______.
What is common (the same).
What is 5 x 1/3?
5/3
Find the LCM of 3 & 5
What is 15
The bottom portion of the fraction that tells how many equal pieces there are total is called
What is the denominator
When adding fractions with unlike denominators, you must find the ______.
What is the least common denominator?
The Carson family went fishing. They caught a 2 4/8 pound trout and a 1 1/2 pound bass. How many more pounds was the trout than the bass?
1 lb.
To multiply fractions the denominators must be the same. True or False?
What is false?
A number with a whole number and a fraction
What is a mixed fraction?
Find the LCM of 3 & 6
What is 6
The top part of a fraction that tells how many pieces you are talking about is
What is the numerator
When adding fractions with a common denominator, what do you do with the numerators?
What is add?
When subtracting fractions with a common denominator, what do you do with the numerators?
What is subtract?
1/2 x 3/4
What is 3/8?
2/5=x/10
What is 4
Find the LCM of 6 & 4
What is 12
What is a unit fraction?
A single fraction piece, or a fraction with a numerator of 1.
Ghost Jerry slept for 1/3 of the 9 hours Ms. Stanbury was working. He spent the rest of the time throwing a tantrum that sounded like the big bad wolf was blowing the house down. How many hours did he spend throwing a tantrum?
6 hours
A fraction can be simplified if they have a common _______.
What is factor?
8/12 - 3/12
What is 5/12
1/2 and 2/4 are what kind of fractions?
What is equivalent fractions?
1/4= x/12 what is x?
What is 3
Find the LCD for 1/4 and 1/6
12
List the first six multiples for 4
4, 8, 12, 16, 20, 24
Lauren bought 3 dog toys. The rope toy cost $12. The squeaky toy cost 2/3 as much as the rope toy. The frisbee toy cost twice as much as the squeaky toy. What was the cost of the three dog toys?
$36
2/10 + 4/10. Final answer must be simplified.
What is 3/5
1/3 - 1/4
What is 1/12
When you multiply fractions, you multiply the numerators and do what to the denominators?
What is multiply?
3/9 and 9/27. Are these equivalent fractions?
Yes they are equivalent. If you multiply 3 and 9 by 3 you get 9/27.
What is the LCD for 1/6 and 2/5?
30
When are 2 times in the real world when you would use fractions?
What is cooking, measuring, building ..multiple answers
Johnny is making his family milkshakes. He calculates that he needs 4 2/7 cups of milk.
He has 2 bottles of milk in the fridge. One bottle contains 1 3/14 cups of milk. The other bottle contains 2 4/7 cups of milk. How much more milk does he still need?
1/2 cup
7/22 + 4/22 = Answer must be given in simplified form.
11/22 which simplifies to 1/2.
9/12-2/8
What is 1/2
Ms. Stanbury made 3 pies. From each pie, she take a slice that is 1/8 of a pie so that she could do a porch drop off. How much pie is being dropped off?
What is the LCD for 3/4 and 3/5?
20
When finding the LCD, you list the ______ of each number and find the first one they have in common.
Multiples
Violet is making a giant sign to advertise the school play. The width of the sign is 2 2/3 m. If the length is 4 1/2 times as much, then what is the length of the sign?
12 m
4/8 + 2/3
What is 1 1/6
14 2/5 - 9 3/10
What is 5 1/10
Sara bakes brownies and gives 1/4 of the pan to Taylor. Kiersten and Jason as for 2/3 of what is left in the pan. How much of the original pan of brownies would be left for Sara to eat if she obliges the requests?
What is 1/4 of the pan of brownies?
Rename these fractions to have a denominator of 42:
5/6 and 1/7
35/42 and 6/42
What is 3 1/7 x 1 1/4?
3 13/14
1 2/3 + 2 3/4
What is 4 5/12
3/4 x 2/3
What is 1/2?
What is the LCD of 16 and 8?
What is 48