Subtract 2/72 from 4/12
4/12 - 2/72 is 11/36.
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,
4/12 = 4 × 6/12 × 6 = 24/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Subtract the two like fractions:
24/72 - 2/72 = 24 - 2/72 = 22/72 - After reducing the fraction, the answer is 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-2/72 4/12-4/72 4/24-2/72 4/12-6/72 4/36-2/72 20/12-2/72 4/12-10/72 4/60-2/72 28/12-2/72 4/12-14/72 4/84-2/72