Subtract 14/18 from 18/49
18/49 - 14/18 is -181/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
18/49 = 18 × 18/49 × 18 = 324/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
14/18 = 14 × 49/18 × 49 = 686/882 - Subtract the two like fractions:
324/882 - 686/882 = 324 - 686/882 = -362/882 - After reducing the fraction, the answer is -181/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49-14/18 18/49-28/18 18/98-14/18 18/49-14/36 54/49-14/18 18/49-42/18 18/49-14/54 90/49-14/18 18/49-70/18 18/49-14/90 18/49-98/18