Adding and Subtracting Mixed Numbers

Front

6½ - 2⅔

Back

3 5/6

Front

Why can't we just add the numerators and denominators if we need to add two fractions with different denominators?

Back

Because the size of the pieces is different

Front

1 1/3 + 4 1/4

Back

5 7/12

Front

8 5/7 - 7 2/3

Back

1 1/21

Front

8 4/5 + 9 1/10

Back

17 9/10

Front

8 6/9 - 3 2/5

Back

5 12/45