What denominator can be used to add these fractions?

1/2 + 1/4

6

2

4

3

2

1

What equation is equivalent to 2/3 + 1/5?

2/5 + 3/5

1/3 + 2/5

6/3 + 6/5

10/15 + 3/15

3

2

Add 7/8 + 1/4. (find the comon multiples, write new equations, then add)

4

2

Subtract. 7/10 - 2/5 (find the comon multiples, write new equations, then subtract)

5

1

Don checked his current work schedule. He was scheduled to work 3 1/4 hours on Friday and 5 1/2 hours on Saturday. How many hours did he work?

8 3/4

9 1/4

8 1/2

9 1/2

6

2

3 1/4 + 5 1/2

7

2

4 2/3 - 1 1/6

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