Subtract 3/72 from 3/12
3/12 - 3/72 is 5/24.
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,
3/12 = 3 × 6/12 × 6 = 18/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72 - Subtract the two like fractions:
18/72 - 3/72 = 18 - 3/72 = 15/72 - After reducing the fraction, the answer is 5/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-3/72 3/12-6/72 3/24-3/72 9/12-3/72 3/12-9/72 3/36-3/72 15/12-3/72 3/12-15/72 3/60-3/72 21/12-3/72 3/12-21/72 3/84-3/72