Subtract 4/90 from 6/27
6/27 - 4/90 is 8/45.
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,
4/90 = 4 × 3/90 × 3 = 12/270 - Subtract the two like fractions:
60/270 - 12/270 = 60 - 12/270 = 48/270 - After reducing the fraction, the answer is 8/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-4/90 6/27-8/90 6/54-4/90 18/27-4/90 6/27-12/90 6/81-4/90 30/27-4/90 6/27-20/90 42/27-4/90 6/27-28/90