Subtract 20/56 from 14/18
14/18 - 20/56 is 53/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
14/18 = 14 × 28/18 × 28 = 392/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Subtract the two like fractions:
392/504 - 180/504 = 392 - 180/504 = 212/504 - After reducing the fraction, the answer is 53/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-20/56 14/18-40/56 14/36-20/56 42/18-20/56 14/18-60/56 14/54-20/56 70/18-20/56 14/90-20/56 98/18-20/56