Subtract 9/14 from 18/27
18/27 - 9/14 is 1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
18/27 = 18 × 14/27 × 14 = 252/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
9/14 = 9 × 27/14 × 27 = 243/378 - Subtract the two like fractions:
252/378 - 243/378 = 252 - 243/378 = 9/378 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27-9/14 18/27-18/14 18/54-9/14 18/27-9/28 54/27-9/14 18/27-27/14 18/81-9/14 18/27-9/42 90/27-9/14 18/27-45/14 18/27-9/70 18/27-63/14 18/27-9/98