Subtract 56/9 from 90/5
1st number: 18 0/5, 2nd number: 6 2/9
90/5 - 56/9 is 106/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
56/9 = 56 × 5/9 × 5 = 280/45 - Subtract the two like fractions:
810/45 - 280/45 = 810 - 280/45 = 530/45 - After reducing the fraction, the answer is 106/9
- In mixed form: 117/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-56/9 90/5-56/18 90/15-56/9 90/5-56/27 90/25-56/9 90/5-56/45 90/35-56/9 90/5-56/63