Subtract 21/48 from 56/28
1st number: 2 0/28, 2nd number: 21/48
56/28 - 21/48 is 25/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
56/28 = 56 × 12/28 × 12 = 672/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Subtract the two like fractions:
672/336 - 147/336 = 672 - 147/336 = 525/336 - After reducing the fraction, the answer is 25/16
- In mixed form: 19/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28-42/48 56/28-21/96 56/28-63/48 56/84-21/48