Subtract 20/56 from 56/12
1st number: 4 8/12, 2nd number: 20/56
56/12 - 20/56 is 181/42.
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,
56/12 = 56 × 14/12 × 14 = 784/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
20/56 = 20 × 3/56 × 3 = 60/168 - Subtract the two like fractions:
784/168 - 60/168 = 784 - 60/168 = 724/168 - After reducing the fraction, the answer is 181/42
- In mixed form: 413/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-40/56 56/24-20/56 56/12-60/56 56/36-20/56 56/60-20/56 56/84-20/56