Subtract 56/81 from 42/14
1st number: 3 0/14, 2nd number: 56/81
42/14 - 56/81 is 187/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
42/14 = 42 × 81/14 × 81 = 3402/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
56/81 = 56 × 14/81 × 14 = 784/1134 - Subtract the two like fractions:
3402/1134 - 784/1134 = 3402 - 784/1134 = 2618/1134 - After reducing the fraction, the answer is 187/81
- In mixed form: 225/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-56/81 42/28-56/81 42/70-56/81 42/98-56/81