Equivalent Fractions
Least Common Denominators
Adding Fractions
Subtracting Fractions
100

Write an equivalent fraction to 3/5

6/10 ... 9/15 ... 12/20

100

What is a least common denominator?

The smallest value that two fractions can share using equivalent fractions to make them the same.

100

Add

1/4 + 2/3

11/12

100

Subtract

5/6 - 2/3

1/6

200

Simplify this fraction:

18/21

6/7

200

What is the least common multiple for these fractions:

4/5 and 3/4

20

200

Add

13/15 + 2/5

1 4/15

200

Subtract:

5 2/3 - 2 1/4

3 5/12

300

Simplify the fraction:
7/8

No solution. It cannot be simplified.

300

What are the first 5 multiples of 8

8, 16, 24, 32, 40

300

6 2/5 + 9/10

7 3/10
300

Subtract:

4 1/5 - 6/7

3 12/35

400

Find 3 equivalent fractions to the following:

6/8

3/4 ... 12/16 ... 18/24 ... 24/32

400

Name 3 numbers that could be used as common denominators for these fractions:

3/6 and 3/9

3, 18, and 36

400

Jamie and Thomas are having a rap battle. Jamie raps for 2 3/4 minutes and Thomas raps for 4 1/3 minutes. How many minutes did the two rap for altogether

7 1/12 minutes

400

Jamie and Thomas are having a rap battle. Jamie raps for 2 3/4 minutes and Thomas raps for 4 1/3 minutes. How much longer does Thomas rap for than Jamie?

1 7/12 minutes