Subtract 27/18 from 36/56
1st number: 36/56, 2nd number: 1 9/18
36/56 - 27/18 is -6/7.
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,
36/56 = 36 × 9/56 × 9 = 324/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
27/18 = 27 × 28/18 × 28 = 756/504 - Subtract the two like fractions:
324/504 - 756/504 = 324 - 756/504 = -432/504 - After reducing the fraction, the answer is -6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/56-27/18 36/56-54/18 36/56-27/36 36/56-81/18 36/56-27/54 36/56-27/90