Subtract 56/15 from 90/9
1st number: 10 0/9, 2nd number: 3 11/15
90/9 - 56/15 is 94/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
90/9 = 90 × 5/9 × 5 = 450/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
56/15 = 56 × 3/15 × 3 = 168/45 - Subtract the two like fractions:
450/45 - 168/45 = 450 - 168/45 = 282/45 - After reducing the fraction, the answer is 94/15
- In mixed form: 64/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-56/15 90/9-56/30 90/27-56/15 90/9-56/45 90/45-56/15 90/9-56/75 90/63-56/15