Subtract 9/54 from 27/90
27/90 - 9/54 is 2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
27/90 = 27 × 3/90 × 3 = 81/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
9/54 = 9 × 5/54 × 5 = 45/270 - Subtract the two like fractions:
81/270 - 45/270 = 81 - 45/270 = 36/270 - After reducing the fraction, the answer is 2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-9/54 27/90-18/54 81/90-9/54 27/90-27/54 27/90-45/54 27/90-63/54