Subtract 56/28 from 10/70
1st number: 10/70, 2nd number: 2 0/28
10/70 - 56/28 is -13/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
10/70 = 10 × 2/70 × 2 = 20/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
56/28 = 56 × 5/28 × 5 = 280/140 - Subtract the two like fractions:
20/140 - 280/140 = 20 - 280/140 = -260/140 - After reducing the fraction, the answer is -13/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70-56/28 30/70-56/28 10/70-56/84 50/70-56/28