Adding Fractions with Unlike Denominators

Front

Back

17/20

Front

Back

11 5/6

Front

Back

14  17/30

Front

Convert into an improper fraction.

Back

17/5

Front

Convert into an improper fraction.

Back

29/7

Front

Convert the mixed fraction to an improper fraction.

Back

34 /8

Front

Back

1

Front

Back

5/6

Front

Which of these numbers could NOT be a common denominator for these two fractions?
1/6   and   1/4
Options: 12, 18, 24, 36

Back

18

Front

Common denominator for 1/5 and 5/6? Options: 30, 11, 6, 5

Back

30