Subtract 72/7 from 5/10
1st number: 5/10, 2nd number: 10 2/7
5/10 - 72/7 is -137/14.
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,
5/10 = 5 × 7/10 × 7 = 35/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
72/7 = 72 × 10/7 × 10 = 720/70 - Subtract the two like fractions:
35/70 - 720/70 = 35 - 720/70 = -685/70 - After reducing the fraction, the answer is -137/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/20-72/7 5/10-72/14 15/10-72/7 5/30-72/7 5/10-72/21 25/10-72/7 5/50-72/7 5/10-72/35 35/10-72/7 5/70-72/7 5/10-72/49