Subtract 14/27 from 7/49
7/49 - 14/27 is -71/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 27 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 49 × 27 = 1323,
7/49 = 7 × 27/49 × 27 = 189/1323 - Likewise, for the 2nd fraction, since 27 × 49 = 1323,
14/27 = 14 × 49/27 × 49 = 686/1323 - Subtract the two like fractions:
189/1323 - 686/1323 = 189 - 686/1323 = -497/1323 - After reducing the fraction, the answer is -71/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/49-14/27 7/49-28/27 7/98-14/27 7/49-14/54 21/49-14/27 7/49-42/27 7/49-14/81 35/49-14/27 7/49-70/27 7/49-98/27