Subtract 6/56 from 21/48
21/48 - 6/56 is 37/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 56 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Likewise, for the 2nd fraction, since 56 × 6 = 336,
6/56 = 6 × 6/56 × 6 = 36/336 - Subtract the two like fractions:
147/336 - 36/336 = 147 - 36/336 = 111/336 - After reducing the fraction, the answer is 37/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48-6/56 21/48-12/56 21/96-6/56 63/48-6/56 21/48-18/56 21/48-30/56 21/48-42/56