Subtract 6/80 from 5/15
5/15 - 6/80 is 31/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
5/15 = 5 × 16/15 × 16 = 80/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
6/80 = 6 × 3/80 × 3 = 18/240 - Subtract the two like fractions:
80/240 - 18/240 = 80 - 18/240 = 62/240 - After reducing the fraction, the answer is 31/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-6/80 5/15-12/80 5/30-6/80 5/15-18/80 5/45-6/80 25/15-6/80 5/15-30/80 5/75-6/80 35/15-6/80 5/15-42/80