Subtract 18/20 from 14/27
14/27 - 18/20 is -103/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
14/27 = 14 × 20/27 × 20 = 280/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
18/20 = 18 × 27/20 × 27 = 486/540 - Subtract the two like fractions:
280/540 - 486/540 = 280 - 486/540 = -206/540 - After reducing the fraction, the answer is -103/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/27-18/20 14/27-36/20 14/54-18/20 14/27-18/40 42/27-18/20 14/27-54/20 14/81-18/20 14/27-18/60 70/27-18/20 14/27-90/20 98/27-18/20