Subtract 5/7 from 20/56
20/56 - 5/7 is -5/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
5/7 = 5 × 8/7 × 8 = 40/56 - Subtract the two like fractions:
20/56 - 40/56 = 20 - 40/56 = -20/56 - After reducing the fraction, the answer is -5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56-5/7 20/56-10/7 20/56-5/14 60/56-5/7 20/56-15/7 20/56-5/21 20/56-25/7 20/56-5/35 20/56-35/7 20/56-5/49