Least Common Multiple
Adding Fractions
Subtracting Fractions
Ben
Colton
100

What is the least common multiple of 3 and 5?

15

100

1/4 + 2/4

3/4

100

3/4 - 1/4

2/4 = 1/2

100

1 1/2 + 2 1/2

4

100

1 1/3 + 2 1/3

3 2/3

200

What is the least common multiple of 6 and 4

12

200

3/7 + 2/7

5/7

200

10/18 - 9/18

1/18

200

8/12 - 3/6

2/12 = 1/6

200

9/12 - 4/6

1/12

300

What is the least common multiple of 3 and 9

9

300

3/8 + 5/8

8/8 = 1

300

6/7 - 4/7

2/7

300

What is the least common multiple of 7 and 5

35

300

What is the least common multiple of 8 and 5

40

400

What is the least common multiple of 7 and 3

21

400

5/10 + 4/10

9/10

400

8/9-4/9

4/9

400

2 1/4 - 1 1/8

1 1/8

400

2 9/12 - 1 3/6

1 3/12 = 1 1/4

500

What is the least common multiple of 9 and 6

18

500

4/12 + 6/12

*bonus points for simplifying*

10/12 = 5/6

500

10/12 - 6/12

*bonus points for simplifying*

4/12 = 1/3

500

Convert this fraction to a proper fraction: 26/5

5 1/5

500

Convert this fraction to a proper fraction: 32/6

5 2/6 = 5 1/3