Subtract 10/21 from 4/48
4/48 - 10/21 is -11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
4/48 = 4 × 7/48 × 7 = 28/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
10/21 = 10 × 16/21 × 16 = 160/336 - Subtract the two like fractions:
28/336 - 160/336 = 28 - 160/336 = -132/336 - After reducing the fraction, the answer is -11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-10/21 4/48-20/21 4/96-10/21 4/48-10/42 12/48-10/21 4/48-30/21 4/48-10/63 20/48-10/21 4/48-50/21 28/48-10/21 4/48-70/21