Subtract 36/56 from 8/18
8/18 - 36/56 is -25/126.
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,
8/18 = 8 × 28/18 × 28 = 224/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
36/56 = 36 × 9/56 × 9 = 324/504 - Subtract the two like fractions:
224/504 - 324/504 = 224 - 324/504 = -100/504 - After reducing the fraction, the answer is -25/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18-36/56 8/18-72/56 8/36-36/56 24/18-36/56 8/54-36/56 40/18-36/56 8/90-36/56 56/18-36/56