Subtract 6/7 from 3/56
3/56 - 6/7 is -45/56.
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,
3/56 = 3 × 1/56 × 1 = 3/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
6/7 = 6 × 8/7 × 8 = 48/56 - Subtract the two like fractions:
3/56 - 48/56 = 3 - 48/56 = -45/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56-6/7 3/56-12/7 3/56-6/14 9/56-6/7 3/56-18/7 3/56-6/21 15/56-6/7 3/56-30/7 3/56-6/35 21/56-6/7 3/56-42/7 3/56-6/49