Subtract 27/72 from 14/18
14/18 - 27/72 is 29/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
14/18 = 14 × 4/18 × 4 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
27/72 = 27 × 1/72 × 1 = 27/72 - Subtract the two like fractions:
56/72 - 27/72 = 56 - 27/72 = 29/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-27/72 14/18-54/72 14/36-27/72 42/18-27/72 14/18-81/72 14/54-27/72 70/18-27/72 14/90-27/72 98/18-27/72