Subtract 7/14 from 7/27
7/27 - 7/14 is -13/54.
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,
7/27 = 7 × 14/27 × 14 = 98/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
7/14 = 7 × 27/14 × 27 = 189/378 - Subtract the two like fractions:
98/378 - 189/378 = 98 - 189/378 = -91/378 - After reducing the fraction, the answer is -13/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27-7/14 7/54-7/14 7/27-7/28 21/27-7/14 7/27-21/14 7/81-7/14 7/27-7/42 35/27-7/14 7/27-35/14 7/27-7/70 49/27-7/14 7/27-49/14 7/27-7/98