Subtract 15/28 from 1/56
1/56 - 15/28 is -29/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
1/56 = 1 × 1/56 × 1 = 1/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
15/28 = 15 × 2/28 × 2 = 30/56 - Subtract the two like fractions:
1/56 - 30/56 = 1 - 30/56 = -29/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56-15/28 1/56-30/28 1/56-15/56 3/56-15/28 1/56-45/28 1/56-15/84 5/56-15/28 1/56-75/28 7/56-15/28