Subtract 56/28 from 6/15
1st number: 6/15, 2nd number: 2 0/28
6/15 - 56/28 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
6/15 = 6 × 28/15 × 28 = 168/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
56/28 = 56 × 15/28 × 15 = 840/420 - Subtract the two like fractions:
168/420 - 840/420 = 168 - 840/420 = -672/420 - After reducing the fraction, the answer is -8/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-56/28 6/30-56/28 18/15-56/28 6/45-56/28 6/15-56/84 30/15-56/28 6/75-56/28 42/15-56/28