Subtract 9/10 from 9/54
9/54 - 9/10 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
9/54 = 9 × 5/54 × 5 = 45/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
9/10 = 9 × 27/10 × 27 = 243/270 - Subtract the two like fractions:
45/270 - 243/270 = 45 - 243/270 = -198/270 - After reducing the fraction, the answer is -11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/54-9/10 9/54-18/10 9/54-9/20 27/54-9/10 9/54-27/10 9/54-9/30 45/54-9/10 9/54-45/10 9/54-9/50 63/54-9/10 9/54-63/10 9/54-9/70