Subtract 63/7 from 90/56
1st number: 1 34/56, 2nd number: 9 0/7
90/56 - 63/7 is -207/28.
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,
90/56 = 90 × 1/56 × 1 = 90/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
63/7 = 63 × 8/7 × 8 = 504/56 - Subtract the two like fractions:
90/56 - 504/56 = 90 - 504/56 = -414/56 - After reducing the fraction, the answer is -207/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-63/14 90/56-63/21 90/56-63/35 90/56-63/49