Subtract 81/56 from 9/10
1st number: 9/10, 2nd number: 1 25/56
9/10 - 81/56 is -153/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
9/10 = 9 × 28/10 × 28 = 252/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
81/56 = 81 × 5/56 × 5 = 405/280 - Subtract the two like fractions:
252/280 - 405/280 = 252 - 405/280 = -153/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10-81/56 9/20-81/56 27/10-81/56 9/30-81/56 45/10-81/56 9/50-81/56 63/10-81/56 9/70-81/56