Subtract 21/20 from 14/56
1st number: 14/56, 2nd number: 1 1/20
14/56 - 21/20 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
14/56 = 14 × 5/56 × 5 = 70/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
21/20 = 21 × 14/20 × 14 = 294/280 - Subtract the two like fractions:
70/280 - 294/280 = 70 - 294/280 = -224/280 - After reducing the fraction, the answer is -4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56-21/20 14/56-42/20 14/56-21/40 42/56-21/20 14/56-63/20 14/56-21/60 70/56-21/20 98/56-21/20