Subtract 40/54 from 18/60
18/60 - 40/54 is -119/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
18/60 = 18 × 9/60 × 9 = 162/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
40/54 = 40 × 10/54 × 10 = 400/540 - Subtract the two like fractions:
162/540 - 400/540 = 162 - 400/540 = -238/540 - After reducing the fraction, the answer is -119/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60-40/54 18/60-80/54 54/60-40/54 90/60-40/54