Subtract 49/40 from 56/28
1st number: 2 0/28, 2nd number: 1 9/40
56/28 - 49/40 is 31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
56/28 = 56 × 10/28 × 10 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
49/40 = 49 × 7/40 × 7 = 343/280 - Subtract the two like fractions:
560/280 - 343/280 = 560 - 343/280 = 217/280 - After reducing the fraction, the answer is 31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28-98/40 56/28-49/80 56/84-49/40