Subtract 32/21 from 8/48, Solve 8/48

Subtract 32/21 from 8/48

1^st number: 8/48, 2^nd number: 1 11/21

8/48 - 32/21 is -19/14.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
8/48 = 8 × 7/48 × 7 = 56/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
32/21 = 32 × 16/21 × 16 = 512/336
Subtract the two like fractions:
56/336 - 512/336 = 56 - 512/336 = -456/336
After reducing the fraction, the answer is -19/14

MathStep (Works offline)

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