Subtract 14/48 from 4/21
4/21 - 14/48 is -17/168.
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,
4/21 = 4 × 16/21 × 16 = 64/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
14/48 = 14 × 7/48 × 7 = 98/336 - Subtract the two like fractions:
64/336 - 98/336 = 64 - 98/336 = -34/336 - After reducing the fraction, the answer is -17/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21-14/48 4/21-28/48 4/42-14/48 4/21-14/96 12/21-14/48 4/21-42/48 4/63-14/48 20/21-14/48 4/21-70/48 28/21-14/48 4/21-98/48