Subtract 40/9 from 15/56
1st number: 15/56, 2nd number: 4 4/9
15/56 - 40/9 is -2105/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 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 9 × 56 = 504,
40/9 = 40 × 56/9 × 56 = 2240/504 - Subtract the two like fractions:
135/504 - 2240/504 = 135 - 2240/504 = -2105/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56-40/9 15/56-80/9 15/56-40/18 45/56-40/9 15/56-40/27 75/56-40/9 15/56-40/45 15/56-40/63