Subtract 81/12 from 56/4
1st number: 14 0/4, 2nd number: 6 9/12
56/4 - 81/12 is 29/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
56/4 = 56 × 3/4 × 3 = 168/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Subtract the two like fractions:
168/12 - 81/12 = 168 - 81/12 = 87/12 - After reducing the fraction, the answer is 29/4
- In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-81/12 56/4-81/24 56/12-81/12 56/4-81/36 56/20-81/12 56/4-81/60 56/28-81/12 56/4-81/84