Subtract 18/36 from 2/56
2/56 - 18/36 is -13/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 36 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
2/56 = 2 × 9/56 × 9 = 18/504 - Likewise, for the 2nd fraction, since 36 × 14 = 504,
18/36 = 18 × 14/36 × 14 = 252/504 - Subtract the two like fractions:
18/504 - 252/504 = 18 - 252/504 = -234/504 - After reducing the fraction, the answer is -13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/56-18/36 2/56-18/72 6/56-18/36 2/56-54/36 10/56-18/36 2/56-90/36 14/56-18/36