Subtract 49/20 from 10/56
1st number: 10/56, 2nd number: 2 9/20
10/56 - 49/20 is -159/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
10/56 = 10 × 5/56 × 5 = 50/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
49/20 = 49 × 14/20 × 14 = 686/280 - Subtract the two like fractions:
50/280 - 686/280 = 50 - 686/280 = -636/280 - After reducing the fraction, the answer is -159/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/56-49/20 10/56-98/20 10/56-49/40 30/56-49/20 10/56-49/60 50/56-49/20 70/56-49/20