Subtract 5/16 from 14/21, Solve 14/21

Subtract 5/16 from 14/21

14/21 - 5/16 is 17/48.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
14/21 = 14 × 16/21 × 16 = 224/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
5/16 = 5 × 21/16 × 21 = 105/336
Subtract the two like fractions:
224/336 - 105/336 = 224 - 105/336 = 119/336
After reducing the fraction, the answer is 17/48

MathStep (Works offline)

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