Subtract 20/90 from 6/27
6/27 - 20/90 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
6/27 = 6 × 10/27 × 10 = 60/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
20/90 = 20 × 3/90 × 3 = 60/270 - Subtract the two like fractions:
60/270 - 60/270 = 60 - 60/270 = 0/270 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-20/90 6/27-40/90 6/54-20/90 18/27-20/90 6/27-60/90 6/81-20/90 30/27-20/90 42/27-20/90