Subtract 80/6 from 15/72
1st number: 15/72, 2nd number: 13 2/6
15/72 - 80/6 is -105/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
80/6 = 80 × 12/6 × 12 = 960/72 - Subtract the two like fractions:
15/72 - 960/72 = 15 - 960/72 = -945/72 - After reducing the fraction, the answer is -105/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72-80/6 15/72-80/12 45/72-80/6 15/72-80/18 75/72-80/6 15/72-80/30 15/72-80/42