Subtract 6/7 from 27/56
27/56 - 6/7 is -3/8.
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,
27/56 = 27 × 1/56 × 1 = 27/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
6/7 = 6 × 8/7 × 8 = 48/56 - Subtract the two like fractions:
27/56 - 48/56 = 27 - 48/56 = -21/56 - After reducing the fraction, the answer is -3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56-6/7 27/56-12/7 27/56-6/14 81/56-6/7 27/56-18/7 27/56-6/21 27/56-30/7 27/56-6/35 27/56-42/7 27/56-6/49