Subtract 10/27 from 8/90
8/90 - 10/27 is -38/135.
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,
8/90 = 8 × 3/90 × 3 = 24/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
10/27 = 10 × 10/27 × 10 = 100/270 - Subtract the two like fractions:
24/270 - 100/270 = 24 - 100/270 = -76/270 - After reducing the fraction, the answer is -38/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90-10/27 8/90-20/27 8/90-10/54 24/90-10/27 8/90-30/27 8/90-10/81 40/90-10/27 8/90-50/27 56/90-10/27 8/90-70/27