Subtract 3/27 from 1/2
1/2 - 3/27 is 7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
1/2 = 1 × 27/2 × 27 = 27/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
3/27 = 3 × 2/27 × 2 = 6/54 - Subtract the two like fractions:
27/54 - 6/54 = 27 - 6/54 = 21/54 - After reducing the fraction, the answer is 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2-6/27 1/4-3/27 1/2-3/54 3/2-3/27 1/2-9/27 1/6-3/27 1/2-3/81 5/2-3/27 1/2-15/27 1/10-3/27 7/2-3/27 1/2-21/27 1/14-3/27