Adding and Subtracting fractions with unlike denominators

Front

1/2 + 1/4

Back

3/4

Front

3/4 + 2/3

Back

17/12

Front

4/6 + 3/6

Back

7/6

Front

1/3 + 1/9

Back

4/9

Front

1/3 - 1/9

Back

2/9

Front

3/12 - 1/4

Back

0

Front

4/5 + 1/3

Back

17/15

Front

I ate 1/3 of a pizza. Cody ate 1/2 of the same pizza. How much did we eat of the pizza?

Back

5/6

Front

I ate 1/4 of a chicken. Harry ate 1/3 of the same chicken. How much of the chicken is left over?

Back

5/12