Subtract 15/72 from 80/6
1st number: 13 2/6, 2nd number: 15/72
80/6 - 15/72 is 105/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
80/6 = 80 × 12/6 × 12 = 960/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Subtract the two like fractions:
960/72 - 15/72 = 960 - 15/72 = 945/72 - After reducing the fraction, the answer is 105/8
- In mixed form: 131/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-30/72 80/12-15/72 80/6-45/72 80/18-15/72 80/6-75/72 80/30-15/72 80/42-15/72