Subtract 25/18 from 15/56
1st number: 15/56, 2nd number: 1 7/18
15/56 - 25/18 is -565/504.
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,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
25/18 = 25 × 28/18 × 28 = 700/504 - Subtract the two like fractions:
135/504 - 700/504 = 135 - 700/504 = -565/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56-25/18 15/56-50/18 15/56-25/36 45/56-25/18 15/56-75/18 15/56-25/54 75/56-25/18 15/56-25/90