Subtract 18/49 from 4/27
4/27 - 18/49 is -290/1323.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 27 × 49 = 1323,
4/27 = 4 × 49/27 × 49 = 196/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
18/49 = 18 × 27/49 × 27 = 486/1323 - Subtract the two like fractions:
196/1323 - 486/1323 = 196 - 486/1323 = -290/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27-18/49 4/27-36/49 4/54-18/49 4/27-18/98 12/27-18/49 4/27-54/49 4/81-18/49 20/27-18/49 4/27-90/49 28/27-18/49