Subtract 8/90 from 25/27
25/27 - 8/90 is 113/135.
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,
25/27 = 25 × 10/27 × 10 = 250/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
8/90 = 8 × 3/90 × 3 = 24/270 - Subtract the two like fractions:
250/270 - 24/270 = 250 - 24/270 = 226/270 - After reducing the fraction, the answer is 113/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27-8/90 25/27-16/90 25/54-8/90 75/27-8/90 25/27-24/90 25/81-8/90 25/27-40/90 25/27-56/90