Subtract 15/90 from 56/9
1st number: 6 2/9, 2nd number: 15/90
56/9 - 15/90 is 109/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
56/9 = 56 × 10/9 × 10 = 560/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Subtract the two like fractions:
560/90 - 15/90 = 560 - 15/90 = 545/90 - After reducing the fraction, the answer is 109/18
- In mixed form: 61/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-30/90 56/18-15/90 56/9-45/90 56/27-15/90 56/9-75/90 56/45-15/90 56/63-15/90