5th Grade Adding & Subtracting Fractions

+/- with Like Denominators

100

1/6 + 4/6

5/6

200

3/4 - 1/4

1/2

300

9/10 - 7/10

1/5

400

2 + 4/12

2 1/3

500

1 - 1/8

7/8

+/- with Unlike Denominators

100

1/4 + 5/8

7/8

200

2/5 + 1/2

9/10

300

7/12 - 1/2

1/12

400

5/6 - 2/12

2/3

500

1/4 - 1/8

1/8

Vocabulary for Working with Fractions

100

Changing an improper fraction to a mixed number is called...

Simplifying

200

12/7 is an example of an _______________. This is not in the simplest form!

improper fraction

300

Fractions must have the same _________ before adding or subtracting. 

denominator

400

Another word for equal is...

equivalent

500

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