Subtract 15/14 from 20/56
1st number: 20/56, 2nd number: 1 1/14
20/56 - 15/14 is -5/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
15/14 = 15 × 4/14 × 4 = 60/56 - Subtract the two like fractions:
20/56 - 60/56 = 20 - 60/56 = -40/56 - After reducing the fraction, the answer is -5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56-15/14 20/56-30/14 20/56-15/28 60/56-15/14 20/56-45/14 20/56-15/42 20/56-75/14 20/56-15/70 20/56-15/98