Subtract 56/8 from 3/40
1st number: 3/40, 2nd number: 7 0/8
3/40 - 56/8 is -277/40.
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,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
56/8 = 56 × 5/8 × 5 = 280/40 - Subtract the two like fractions:
3/40 - 280/40 = 3 - 280/40 = -277/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40-56/8 3/80-56/8 3/40-56/16 9/40-56/8 3/40-56/24 15/40-56/8 3/40-56/40 21/40-56/8