Subtract 56/8 from 1/40
1st number: 1/40, 2nd number: 7 0/8
1/40 - 56/8 is -279/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
56/8 = 56 × 5/8 × 5 = 280/40 - Subtract the two like fractions:
1/40 - 280/40 = 1 - 280/40 = -279/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-56/8 1/80-56/8 1/40-56/16 3/40-56/8 1/40-56/24 5/40-56/8 1/40-56/40 7/40-56/8