Subtract 2/48 from 10/21, Solve 10/21

Subtract 2/48 from 10/21

10/21 - 2/48 is 73/168.

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

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
10/21 = 10 × 16/21 × 16 = 160/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
2/48 = 2 × 7/48 × 7 = 14/336
Subtract the two like fractions:
160/336 - 14/336 = 160 - 14/336 = 146/336
After reducing the fraction, the answer is 73/168

MathStep (Works offline)

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