Subtract 8/3 from 27/90
1st number: 27/90, 2nd number: 2 2/3
27/90 - 8/3 is -71/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
8/3 = 8 × 30/3 × 30 = 240/90 - Subtract the two like fractions:
27/90 - 240/90 = 27 - 240/90 = -213/90 - After reducing the fraction, the answer is -71/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-8/3 27/90-16/3 27/90-8/6 81/90-8/3 27/90-24/3 27/90-8/9 27/90-40/3 27/90-8/15 27/90-56/3 27/90-8/21