Subtract 15/7 from 10/56
1st number: 10/56, 2nd number: 2 1/7
10/56 - 15/7 is -55/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
10/56 = 10 × 1/56 × 1 = 10/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
15/7 = 15 × 8/7 × 8 = 120/56 - Subtract the two like fractions:
10/56 - 120/56 = 10 - 120/56 = -110/56 - After reducing the fraction, the answer is -55/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/56-15/7 10/56-30/7 10/56-15/14 30/56-15/7 10/56-45/7 10/56-15/21 50/56-15/7 10/56-75/7 10/56-15/35 70/56-15/7 10/56-15/49