Subtract 3/56 from 2/40
2/40 - 3/56 is -1/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Subtract the two like fractions:
14/280 - 15/280 = 14 - 15/280 = -1/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40-3/56 2/40-6/56 2/80-3/56 6/40-3/56 2/40-9/56 10/40-3/56 2/40-15/56 14/40-3/56 2/40-21/56