Subtract 70/9 from 63/56
1st number: 1 7/56, 2nd number: 7 7/9
63/56 - 70/9 is -479/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
63/56 = 63 × 9/56 × 9 = 567/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
70/9 = 70 × 56/9 × 56 = 3920/504 - Subtract the two like fractions:
567/504 - 3920/504 = 567 - 3920/504 = -3353/504 - After reducing the fraction, the answer is -479/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/56-70/18 63/56-70/27 63/56-70/45 63/56-70/63