Subtract 45/56 from 2/8
2/8 - 45/56 is -31/56.
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,
2/8 = 2 × 7/8 × 7 = 14/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Subtract the two like fractions:
14/56 - 45/56 = 14 - 45/56 = -31/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8-45/56 2/8-90/56 2/16-45/56 6/8-45/56 2/24-45/56 10/8-45/56 2/40-45/56 14/8-45/56 2/56-45/56