Subtract 50/9 from 90/5
1st number: 18 0/5, 2nd number: 5 5/9
90/5 - 50/9 is 112/9.
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,
50/9 = 50 × 5/9 × 5 = 250/45 - Subtract the two like fractions:
810/45 - 250/45 = 810 - 250/45 = 560/45 - After reducing the fraction, the answer is 112/9
- In mixed form: 124/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-50/9 90/5-50/18 90/15-50/9 90/5-50/27 90/25-50/9 90/5-50/45 90/35-50/9 90/5-50/63