Subtract 72/7 from 56/5
1st number: 11 1/5, 2nd number: 10 2/7
56/5 - 72/7 is 32/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
56/5 = 56 × 7/5 × 7 = 392/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
72/7 = 72 × 5/7 × 5 = 360/35 - Subtract the two like fractions:
392/35 - 360/35 = 392 - 360/35 = 32/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-72/7 56/5-72/14 56/15-72/7 56/5-72/21 56/25-72/7 56/5-72/35 56/35-72/7 56/5-72/49