Subtract 60/56 from 20/12
1st number: 1 8/12, 2nd number: 1 4/56
20/12 - 60/56 is 25/42.
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,
20/12 = 20 × 14/12 × 14 = 280/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
60/56 = 60 × 3/56 × 3 = 180/168 - Subtract the two like fractions:
280/168 - 180/168 = 280 - 180/168 = 100/168 - After reducing the fraction, the answer is 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12-60/56 20/24-60/56 60/12-60/56 20/36-60/56 20/60-60/56 20/84-60/56