Subtract 81/10 from 10/56
1st number: 10/56, 2nd number: 8 1/10
10/56 - 81/10 is -1109/140.
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,
10/56 = 10 × 5/56 × 5 = 50/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
81/10 = 81 × 28/10 × 28 = 2268/280 - Subtract the two like fractions:
50/280 - 2268/280 = 50 - 2268/280 = -2218/280 - After reducing the fraction, the answer is -1109/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/56-81/10 10/56-81/20 30/56-81/10 10/56-81/30 50/56-81/10 10/56-81/50 70/56-81/10 10/56-81/70