Subtract 20/27 from 5/6
5/6 - 20/27 is 5/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
5/6 = 5 × 9/6 × 9 = 45/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Subtract the two like fractions:
45/54 - 40/54 = 45 - 40/54 = 5/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6-20/27 5/6-40/27 5/12-20/27 5/6-20/54 15/6-20/27 5/6-60/27 5/18-20/27 5/6-20/81 25/6-20/27 5/30-20/27 35/6-20/27 5/42-20/27