Subtract 27/72 from 1/3
1/3 - 27/72 is -1/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
1/3 = 1 × 24/3 × 24 = 24/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
27/72 = 27 × 1/72 × 1 = 27/72 - Subtract the two like fractions:
24/72 - 27/72 = 24 - 27/72 = -3/72 - After reducing the fraction, the answer is -1/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-27/72 1/3-54/72 1/6-27/72 1/3-81/72 1/9-27/72 5/3-27/72 1/15-27/72 7/3-27/72 1/21-27/72