Subtract 50/56 from 10/18
10/18 - 50/56 is -85/252.
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,
10/18 = 10 × 28/18 × 28 = 280/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
50/56 = 50 × 9/56 × 9 = 450/504 - Subtract the two like fractions:
280/504 - 450/504 = 280 - 450/504 = -170/504 - After reducing the fraction, the answer is -85/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-50/56 10/36-50/56 30/18-50/56 10/54-50/56 50/18-50/56 10/90-50/56 70/18-50/56