Subtract 72/7 from 35/2
1st number: 17 1/2, 2nd number: 10 2/7
35/2 - 72/7 is 101/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
35/2 = 35 × 7/2 × 7 = 245/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
72/7 = 72 × 2/7 × 2 = 144/14 - Subtract the two like fractions:
245/14 - 144/14 = 245 - 144/14 = 101/14 - In mixed form: 73/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-72/7 35/4-72/7 35/2-72/14 35/6-72/7 35/2-72/21 35/10-72/7 35/2-72/35 35/14-72/7 35/2-72/49