Subtract 6/27 from 5/90
5/90 - 6/27 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
5/90 = 5 × 3/90 × 3 = 15/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
6/27 = 6 × 10/27 × 10 = 60/270 - Subtract the two like fractions:
15/270 - 60/270 = 15 - 60/270 = -45/270 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90-6/27 5/90-12/27 5/90-6/54 15/90-6/27 5/90-18/27 5/90-6/81 25/90-6/27 5/90-30/27 35/90-6/27 5/90-42/27