Subtract 56/10 from 15/7
1st number: 2 1/7, 2nd number: 5 6/10
15/7 - 56/10 is -121/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
15/7 = 15 × 10/7 × 10 = 150/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
56/10 = 56 × 7/10 × 7 = 392/70 - Subtract the two like fractions:
150/70 - 392/70 = 150 - 392/70 = -242/70 - After reducing the fraction, the answer is -121/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7-56/10 15/14-56/10 15/7-56/20 45/7-56/10 15/21-56/10 15/7-56/30 75/7-56/10 15/35-56/10 15/7-56/50 15/49-56/10 15/7-56/70