Subtract 8/15 from 56/18
1st number: 3 2/18, 2nd number: 8/15
56/18 - 8/15 is 116/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
8/15 = 8 × 6/15 × 6 = 48/90 - Subtract the two like fractions:
280/90 - 48/90 = 280 - 48/90 = 232/90 - After reducing the fraction, the answer is 116/45
- In mixed form: 226/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-16/15 56/36-8/15 56/18-8/30 56/18-24/15 56/54-8/15 56/18-8/45 56/18-40/15 56/90-8/15 56/18-8/75 56/18-56/15