Subtract 42/56 from 5/8
5/8 - 42/56 is -1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
5/8 = 5 × 7/8 × 7 = 35/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Subtract the two like fractions:
35/56 - 42/56 = 35 - 42/56 = -7/56 - After reducing the fraction, the answer is -1/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8-42/56 5/8-84/56 5/16-42/56 15/8-42/56 5/24-42/56 25/8-42/56 5/40-42/56 35/8-42/56 5/56-42/56