Subtract 5/18 from 3/56
3/56 - 5/18 is -113/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
3/56 = 3 × 9/56 × 9 = 27/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
5/18 = 5 × 28/18 × 28 = 140/504 - Subtract the two like fractions:
27/504 - 140/504 = 27 - 140/504 = -113/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/56-5/18 3/56-10/18 3/56-5/36 9/56-5/18 3/56-15/18 3/56-5/54 15/56-5/18 3/56-25/18 3/56-5/90 21/56-5/18 3/56-35/18