Subtract 40/3 from 27/54
1st number: 27/54, 2nd number: 13 1/3
27/54 - 40/3 is -77/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
27/54 = 27 × 1/54 × 1 = 27/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
40/3 = 40 × 18/3 × 18 = 720/54 - Subtract the two like fractions:
27/54 - 720/54 = 27 - 720/54 = -693/54 - After reducing the fraction, the answer is -77/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 27/54-80/3 27/54-40/6 81/54-40/3 27/54-40/9 27/54-40/15 27/54-40/21