Subtract 14/27 from 10/20
10/20 - 14/27 is -1/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
10/20 = 10 × 27/20 × 27 = 270/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
14/27 = 14 × 20/27 × 20 = 280/540 - Subtract the two like fractions:
270/540 - 280/540 = 270 - 280/540 = -10/540 - After reducing the fraction, the answer is -1/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-28/27 10/40-14/27 10/20-14/54 30/20-14/27 10/20-42/27 10/60-14/27 10/20-14/81 50/20-14/27 10/20-70/27 70/20-14/27 10/20-98/27