Subtract 10/54 from 56/81
56/81 - 10/54 is 41/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
56/81 = 56 × 2/81 × 2 = 112/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
10/54 = 10 × 3/54 × 3 = 30/162 - Subtract the two like fractions:
112/162 - 30/162 = 112 - 30/162 = 82/162 - After reducing the fraction, the answer is 41/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81-20/54 56/81-30/54 56/81-50/54 56/81-70/54