Subtract 6/18 from 80/15
1st number: 5 5/15, 2nd number: 6/18
80/15 - 6/18 is 5/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
80/15 = 80 × 6/15 × 6 = 480/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Subtract the two like fractions:
480/90 - 30/90 = 480 - 30/90 = 450/90 - After reducing the fraction, the answer is 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-12/18 80/30-6/18 80/15-6/36 80/45-6/18 80/15-6/54 80/15-30/18 80/75-6/18 80/15-6/90 80/15-42/18