Subtract 72/10 from 7/56
1st number: 7/56, 2nd number: 7 2/10
7/56 - 72/10 is -283/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
72/10 = 72 × 28/10 × 28 = 2016/280 - Subtract the two like fractions:
35/280 - 2016/280 = 35 - 2016/280 = -1981/280 - After reducing the fraction, the answer is -283/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56-72/10 7/56-72/20 21/56-72/10 7/56-72/30 35/56-72/10 7/56-72/50 49/56-72/10 7/56-72/70