Subtract 9/72 from 6/12
6/12 - 9/72 is 3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
6/12 = 6 × 6/12 × 6 = 36/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Subtract the two like fractions:
36/72 - 9/72 = 36 - 9/72 = 27/72 - After reducing the fraction, the answer is 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-18/72 6/24-9/72 18/12-9/72 6/12-27/72 6/36-9/72 30/12-9/72 6/12-45/72 6/60-9/72 42/12-9/72 6/12-63/72 6/84-9/72