Subtract 36/56 from 5/18
5/18 - 36/56 is -23/63.
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,
5/18 = 5 × 28/18 × 28 = 140/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
36/56 = 36 × 9/56 × 9 = 324/504 - Subtract the two like fractions:
140/504 - 324/504 = 140 - 324/504 = -184/504 - After reducing the fraction, the answer is -23/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-36/56 5/18-72/56 5/36-36/56 15/18-36/56 5/54-36/56 25/18-36/56 5/90-36/56 35/18-36/56