Subtract 72/5 from 35/2
1st number: 17 1/2, 2nd number: 14 2/5
35/2 - 72/5 is 31/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
35/2 = 35 × 5/2 × 5 = 175/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
72/5 = 72 × 2/5 × 2 = 144/10 - Subtract the two like fractions:
175/10 - 144/10 = 175 - 144/10 = 31/10 - In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-72/5 35/4-72/5 35/2-72/10 35/6-72/5 35/2-72/15 35/10-72/5 35/2-72/25 35/14-72/5 35/2-72/35