Subtract 8/18 from 75/5
1st number: 15 0/5, 2nd number: 8/18
75/5 - 8/18 is 131/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
75/5 = 75 × 18/5 × 18 = 1350/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Subtract the two like fractions:
1350/90 - 40/90 = 1350 - 40/90 = 1310/90 - After reducing the fraction, the answer is 131/9
- In mixed form: 145/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5-16/18 75/10-8/18 75/5-8/36 75/5-24/18 75/15-8/18 75/5-8/54 75/5-40/18 75/25-8/18 75/5-8/90 75/5-56/18 75/35-8/18