Subtract 4/56 from 2/40
2/40 - 4/56 is -3/140.
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,
4/56 = 4 × 5/56 × 5 = 20/280 - Subtract the two like fractions:
14/280 - 20/280 = 14 - 20/280 = -6/280 - After reducing the fraction, the answer is -3/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40-4/56 2/40-8/56 2/80-4/56 6/40-4/56 2/40-12/56 10/40-4/56 2/40-20/56 14/40-4/56 2/40-28/56