Subtract 56/4 from 10/81
1st number: 10/81, 2nd number: 14 0/4
10/81 - 56/4 is -1124/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
10/81 = 10 × 4/81 × 4 = 40/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
56/4 = 56 × 81/4 × 81 = 4536/324 - Subtract the two like fractions:
40/324 - 4536/324 = 40 - 4536/324 = -4496/324 - After reducing the fraction, the answer is -1124/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/81-56/4 10/81-56/8 30/81-56/4 10/81-56/12 50/81-56/4 10/81-56/20 70/81-56/4 10/81-56/28