Subtract 10/7 from 45/56
1st number: 45/56, 2nd number: 1 3/7
45/56 - 10/7 is -5/8.
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,
45/56 = 45 × 1/56 × 1 = 45/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
10/7 = 10 × 8/7 × 8 = 80/56 - Subtract the two like fractions:
45/56 - 80/56 = 45 - 80/56 = -35/56 - After reducing the fraction, the answer is -5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-10/7 45/56-20/7 45/56-10/14 45/56-30/7 45/56-10/21 45/56-50/7 45/56-10/35 45/56-70/7 45/56-10/49