Subtract 2/7 from 72/10
1st number: 7 2/10, 2nd number: 2/7
72/10 - 2/7 is 242/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
2/7 = 2 × 10/7 × 10 = 20/70 - Subtract the two like fractions:
504/70 - 20/70 = 504 - 20/70 = 484/70 - After reducing the fraction, the answer is 242/35
- In mixed form: 632/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10-4/7 72/20-2/7 72/10-2/14 72/10-6/7 72/30-2/7 72/10-2/21 72/10-10/7 72/50-2/7 72/10-2/35 72/10-14/7 72/70-2/7 72/10-2/49