Subtract 18/9 from 6/27
1st number: 6/27, 2nd number: 2 0/9
6/27 - 18/9 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
6/27 = 6 × 1/27 × 1 = 6/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
18/9 = 18 × 3/9 × 3 = 54/27 - Subtract the two like fractions:
6/27 - 54/27 = 6 - 54/27 = -48/27 - After reducing the fraction, the answer is -16/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-18/9 6/27-36/9 6/54-18/9 18/27-18/9 6/27-54/9 6/81-18/9 6/27-18/27 30/27-18/9 6/27-90/9 6/27-18/45 42/27-18/9 6/27-18/63