Adding Fractions
Find the sum of 3/4 and 1/8
7/8 , 14/16, or 28/32
The difference of 3/2-7/10 is...
8/10 or 16/20
The sum of 3 and 3/10 + 2 7/20 is...
5 and 13/20
The difference of 8 and 7/10 - 1 and 2/5 is...
7 and 3/10 or 7 and 15/50
Find the common denominators and write the equivalent fractions: 1/4 and 1/2
1/4 and 2/4 or 2/8 and 4/8
The sum of 7/10 and 5/6 is...
46/30 or 92/60
The difference of 15/16-7/8 is...
1/16
The sum of 1/3 + 6 and 4/5 is...
7 and 2/15
The difference of 15 and 97/100 - 10 and 7/20 is
5 and 62/100
Find the common denominators and write the equivalent fractions for both: 2/3 and 2/9
6/9 and 2/9 or 18/27 and 6/27
The sum of 7/2 + 1/6 is...
22/6 or 44/12
The difference of 4/3-2/5 is...
14/15
The sum of 5 and 8/9 + 5/6
6 and 13/18 or 6 and 39/54
The difference of 4 - 3 and 5/6 is...
(Hint: it is not 1 and 5/6)
1/6
Estimate the sum or difference: 7/8-1/5
(Hint: Try to figure out what the fractions are closer to: 0, 1/2, or 1)
1
The sum of 1/6 + 11/12 + 4/6 is...
21/12 , 42/24, or 126/72
5/12 yard
7 and 4/9 or 7 and 12/27
The difference of 5 and 1/3 - 2 and 1/2 is...
2 and 5/6
Your friend says they can estimate the difference of 7/8-5/12 to 0. Find a closer estimate.
(Hint: think about whether each fraction is 0, 1/2, or 1)
7/8 is closer to 1, 5/12 is closer to 1/2
1-1/2 is 1/2
There are 100 senators in the United States Congress. Recently, Democrats made up 46/100 of the senators, and Republicans made up 13/25 of the senators. The rest were Independents. What fraction of the Senators are Democrat and/or Republican?
98/100
Solve: 7/10 - (2/5 + 1/20)
5/20
An alligator has a body length of 6 and 5/10 feet and a tail length of 7 and 1/4 feet. How long is the alligator?
13 and 15/20 or 13 and 30/40
A family adopts a puppy that weighs 7 and 7/8 pounds. They take him to the vet two weeks later, and he weighs 12 and 3/16 pounds. How much weight did the puppy gain?
4 and 5/16 pounds
These are needed in order to subtract or add fractions and mixed numbers.
(Hint: two words)
Common Denominators