Subtract 56/18 from 40/56
1st number: 40/56, 2nd number: 3 2/18
40/56 - 56/18 is -151/63.
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,
40/56 = 40 × 9/56 × 9 = 360/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
56/18 = 56 × 28/18 × 28 = 1568/504 - Subtract the two like fractions:
360/504 - 1568/504 = 360 - 1568/504 = -1208/504 - After reducing the fraction, the answer is -151/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-56/18 40/56-56/36 40/56-56/54 40/56-56/90