Subtract 81/15 from 56/10
1st number: 5 6/10, 2nd number: 5 6/15
56/10 - 81/15 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
56/10 = 56 × 3/10 × 3 = 168/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Subtract the two like fractions:
168/30 - 162/30 = 168 - 162/30 = 6/30 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-81/15 56/10-81/30 56/30-81/15 56/10-81/45 56/50-81/15 56/10-81/75 56/70-81/15