Subtract 81/72 from 56/2
1st number: 28 0/2, 2nd number: 1 9/72
56/2 - 81/72 is 215/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
56/2 = 56 × 36/2 × 36 = 2016/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Subtract the two like fractions:
2016/72 - 81/72 = 2016 - 81/72 = 1935/72 - After reducing the fraction, the answer is 215/8
- In mixed form: 267/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4-81/72 56/6-81/72 56/10-81/72 56/14-81/72