Subtract 35/72 from 8/7
1st number: 1 1/7, 2nd number: 35/72
8/7 - 35/72 is 331/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
8/7 = 8 × 72/7 × 72 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
35/72 = 35 × 7/72 × 7 = 245/504 - Subtract the two like fractions:
576/504 - 245/504 = 576 - 245/504 = 331/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7-35/72 8/7-70/72 8/14-35/72 24/7-35/72 8/21-35/72 40/7-35/72 8/35-35/72 56/7-35/72 8/49-35/72