Fractions Addition and Subtraction

Subtracting Fractions with Unlike Denominators

100

5/15 - 1/5=

First you need to find an equivalent fraction for 1/5 so you can subtract 1/5 from 5/15.  To do that you have to find a multiple of 5 and 15.  A multiple is 15. So you change  1/5= 3/15. 5/15 - 3/15= 2/15

200

4/20 - 3/40= ? 

5/40

300

2/7  - 5/35 = ? 

 5/35 or 1/7

Equivalent,Greater than or Smaller than True or False

100

6/12 is greater than 2/6 .

True

200

3/4 = 10/16

False

300

7/49 is less than  3/7 

True

Adding or Subtracting Mixed Numbers

100

2  3/6 + 3  1/6 =?

5  4/6

200

7 3/4 - 3  1/6 = ? 

4 7/12 

300

4  3/21 + 5  4/7 = ? 

9 15/21

Random

100

 What is 1+ 200 ? 

201

200

  500+ 500 = ? 

1000

300

375 + 240 = ? 

615

Adding Fractions with Unlike Denominators

100

2/5 + 4/10 =? 

8/10 or 4/5

200

3/12 +  3/4 = ? 

12/12 or 1

300

2/15 +  2/5 = ?

8/15