Subtract 7/8 from 12/56
12/56 - 7/8 is -37/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
12/56 = 12 × 1/56 × 1 = 12/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
7/8 = 7 × 7/8 × 7 = 49/56 - Subtract the two like fractions:
12/56 - 49/56 = 12 - 49/56 = -37/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56-7/8 12/56-14/8 12/56-7/16 36/56-7/8 12/56-21/8 12/56-7/24 60/56-7/8 12/56-35/8 12/56-7/40 84/56-7/8 12/56-49/8 12/56-7/56