Subtract 4/21 from 10/48
10/48 - 4/21 is 1/56.
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,
10/48 = 10 × 7/48 × 7 = 70/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
4/21 = 4 × 16/21 × 16 = 64/336 - Subtract the two like fractions:
70/336 - 64/336 = 70 - 64/336 = 6/336 - After reducing the fraction, the answer is 1/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48-4/21 10/48-8/21 10/96-4/21 10/48-4/42 30/48-4/21 10/48-12/21 10/48-4/63 50/48-4/21 10/48-20/21 70/48-4/21 10/48-28/21