Subtract 12/72 from 3/6
3/6 - 12/72 is 1/3.
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,
3/6 = 3 × 12/6 × 12 = 36/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Subtract the two like fractions:
36/72 - 12/72 = 36 - 12/72 = 24/72 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/6-24/72 3/12-12/72 9/6-12/72 3/6-36/72 3/18-12/72 15/6-12/72 3/6-60/72 3/30-12/72 21/6-12/72 3/6-84/72 3/42-12/72