Subtract 9/72 from 15/6
1st number: 2 3/6, 2nd number: 9/72
15/6 - 9/72 is 19/8.
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,
15/6 = 15 × 12/6 × 12 = 180/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Subtract the two like fractions:
180/72 - 9/72 = 180 - 9/72 = 171/72 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-9/72 15/6-18/72 15/12-9/72 45/6-9/72 15/6-27/72 15/18-9/72 75/6-9/72 15/6-45/72 15/30-9/72 15/6-63/72 15/42-9/72