Subtract 72/7 from 36/5
1st number: 7 1/5, 2nd number: 10 2/7
36/5 - 72/7 is -108/35.
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,
36/5 = 36 × 7/5 × 7 = 252/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
72/7 = 72 × 5/7 × 5 = 360/35 - Subtract the two like fractions:
252/35 - 360/35 = 252 - 360/35 = -108/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-72/7 36/10-72/7 36/5-72/14 36/15-72/7 36/5-72/21 36/25-72/7 36/5-72/35 36/35-72/7 36/5-72/49