Subtract 63/56 from 5/72
1st number: 5/72, 2nd number: 1 7/56
5/72 - 63/56 is -19/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
63/56 = 63 × 9/56 × 9 = 567/504 - Subtract the two like fractions:
35/504 - 567/504 = 35 - 567/504 = -532/504 - After reducing the fraction, the answer is -19/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72-63/56 15/72-63/56 25/72-63/56 35/72-63/56