Subtract 21/48 from 14/21
14/21 - 21/48 is 11/48.
Steps for subtracting fractions
- 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,
14/21 = 14 × 16/21 × 16 = 224/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Subtract the two like fractions:
224/336 - 147/336 = 224 - 147/336 = 77/336 - After reducing the fraction, the answer is 11/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21-21/48 14/21-42/48 14/42-21/48 14/21-21/96 42/21-21/48 14/21-63/48 14/63-21/48 70/21-21/48 98/21-21/48