Subtract 10/40 from 40/56
40/56 - 10/40 is 13/28.
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,
40/56 = 40 × 5/56 × 5 = 200/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Subtract the two like fractions:
200/280 - 70/280 = 200 - 70/280 = 130/280 - After reducing the fraction, the answer is 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-10/40 40/56-20/40 40/56-10/80 40/56-30/40 40/56-50/40 40/56-70/40