Subtract 6/15 from 6/80
6/80 - 6/15 is -13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
6/80 = 6 × 3/80 × 3 = 18/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
6/15 = 6 × 16/15 × 16 = 96/240 - Subtract the two like fractions:
18/240 - 96/240 = 18 - 96/240 = -78/240 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/80-6/15 6/80-12/15 6/80-6/30 18/80-6/15 6/80-18/15 6/80-6/45 30/80-6/15 6/80-30/15 6/80-6/75 42/80-6/15 6/80-42/15