Subtract 7/48 from 6/21
6/21 - 7/48 is 47/336.
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,
6/21 = 6 × 16/21 × 16 = 96/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336 - Subtract the two like fractions:
96/336 - 49/336 = 96 - 49/336 = 47/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21-7/48 6/21-14/48 6/42-7/48 6/21-7/96 18/21-7/48 6/21-21/48 6/63-7/48 30/21-7/48 6/21-35/48 42/21-7/48 6/21-49/48