Subtract 10/90 from 8/54
8/54 - 10/90 is 1/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
8/54 = 8 × 5/54 × 5 = 40/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
10/90 = 10 × 3/90 × 3 = 30/270 - Subtract the two like fractions:
40/270 - 30/270 = 40 - 30/270 = 10/270 - After reducing the fraction, the answer is 1/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/54-10/90 8/54-20/90 24/54-10/90 8/54-30/90 40/54-10/90 8/54-50/90 56/54-10/90 8/54-70/90