Subtract 45/28 from 5/56
1st number: 5/56, 2nd number: 1 17/28
5/56 - 45/28 is -85/56.
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,
5/56 = 5 × 1/56 × 1 = 5/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
45/28 = 45 × 2/28 × 2 = 90/56 - Subtract the two like fractions:
5/56 - 90/56 = 5 - 90/56 = -85/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56-45/28 5/56-90/28 5/56-45/56 15/56-45/28 5/56-45/84 25/56-45/28 35/56-45/28