Subtract 8/18 from 10/27
10/27 - 8/18 is -2/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
10/27 = 10 × 2/27 × 2 = 20/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
8/18 = 8 × 3/18 × 3 = 24/54 - Subtract the two like fractions:
20/54 - 24/54 = 20 - 24/54 = -4/54 - After reducing the fraction, the answer is -2/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-8/18 10/27-16/18 10/54-8/18 10/27-8/36 30/27-8/18 10/27-24/18 10/81-8/18 10/27-8/54 50/27-8/18 10/27-40/18 10/27-8/90 70/27-8/18 10/27-56/18