Subtract 10/27 from 6/90
6/90 - 10/27 is -41/135.
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,
6/90 = 6 × 3/90 × 3 = 18/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
10/27 = 10 × 10/27 × 10 = 100/270 - Subtract the two like fractions:
18/270 - 100/270 = 18 - 100/270 = -82/270 - After reducing the fraction, the answer is -41/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-10/27 6/90-20/27 6/90-10/54 18/90-10/27 6/90-30/27 6/90-10/81 30/90-10/27 6/90-50/27 42/90-10/27 6/90-70/27