Subtract 72/10 from 1/15
1st number: 1/15, 2nd number: 7 2/10
1/15 - 72/10 is -107/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
1/15 = 1 × 2/15 × 2 = 2/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
72/10 = 72 × 3/10 × 3 = 216/30 - Subtract the two like fractions:
2/30 - 216/30 = 2 - 216/30 = -214/30 - After reducing the fraction, the answer is -107/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-72/10 1/30-72/10 1/15-72/20 3/15-72/10 1/45-72/10 1/15-72/30 5/15-72/10 1/75-72/10 1/15-72/50 7/15-72/10 1/15-72/70