Subtract 56/49 from 10/20
1st number: 10/20, 2nd number: 1 7/49
10/20 - 56/49 is -9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
10/20 = 10 × 49/20 × 49 = 490/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
56/49 = 56 × 20/49 × 20 = 1120/980 - Subtract the two like fractions:
490/980 - 1120/980 = 490 - 1120/980 = -630/980 - After reducing the fraction, the answer is -9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-56/49 10/20-56/98 30/20-56/49 10/60-56/49 50/20-56/49 70/20-56/49