Subtract 8/56 from 5/18
5/18 - 8/56 is 17/126.
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,
5/18 = 5 × 28/18 × 28 = 140/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
8/56 = 8 × 9/56 × 9 = 72/504 - Subtract the two like fractions:
140/504 - 72/504 = 140 - 72/504 = 68/504 - After reducing the fraction, the answer is 17/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-8/56 5/18-16/56 5/36-8/56 15/18-8/56 5/18-24/56 5/54-8/56 25/18-8/56 5/18-40/56 5/90-8/56 35/18-8/56