Subtract 2/56 from 81/12
1st number: 6 9/12, 2nd number: 2/56
81/12 - 2/56 is 47/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
81/12 = 81 × 14/12 × 14 = 1134/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
2/56 = 2 × 3/56 × 3 = 6/168 - Subtract the two like fractions:
1134/168 - 6/168 = 1134 - 6/168 = 1128/168 - After reducing the fraction, the answer is 47/7
- In mixed form: 65/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12-4/56 81/24-2/56 81/12-6/56 81/36-2/56 81/12-10/56 81/60-2/56 81/12-14/56 81/84-2/56