Subtract 48/21 from 56/6, Solve 9 2/6

Subtract 48/21 from 56/6

1^st number: 9 2/6, 2^nd number: 2 6/21

56/6 - 48/21 is 148/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
56/6 = 56 × 7/6 × 7 = 392/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
48/21 = 48 × 2/21 × 2 = 96/42
Subtract the two like fractions:
392/42 - 96/42 = 392 - 96/42 = 296/42
After reducing the fraction, the answer is 148/21
In mixed form: 71/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad