Subtract 6/72 from 9/6
1st number: 1 3/6, 2nd number: 6/72
9/6 - 6/72 is 17/12.
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,
9/6 = 9 × 12/6 × 12 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Subtract the two like fractions:
108/72 - 6/72 = 108 - 6/72 = 102/72 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/6-6/72 9/6-12/72 9/12-6/72 27/6-6/72 9/6-18/72 9/18-6/72 45/6-6/72 9/6-30/72 9/30-6/72 63/6-6/72 9/6-42/72 9/42-6/72