Subtract 2/40 from 7/56
7/56 - 2/40 is 3/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Subtract the two like fractions:
35/280 - 14/280 = 35 - 14/280 = 21/280 - After reducing the fraction, the answer is 3/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56-2/40 7/56-4/40 7/56-2/80 21/56-2/40 7/56-6/40 35/56-2/40 7/56-10/40 49/56-2/40 7/56-14/40