Subtract 56/81 from 15/6
1st number: 2 3/6, 2nd number: 56/81
15/6 - 56/81 is 293/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
15/6 = 15 × 27/6 × 27 = 405/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
56/81 = 56 × 2/81 × 2 = 112/162 - Subtract the two like fractions:
405/162 - 112/162 = 405 - 112/162 = 293/162 - In mixed form: 1131/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-56/81 15/12-56/81 45/6-56/81 15/18-56/81 75/6-56/81 15/30-56/81 15/42-56/81