Subtract 30/27 from 6/9
1st number: 6/9, 2nd number: 1 3/27
6/9 - 30/27 is -4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
6/9 = 6 × 3/9 × 3 = 18/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
30/27 = 30 × 1/27 × 1 = 30/27 - Subtract the two like fractions:
18/27 - 30/27 = 18 - 30/27 = -12/27 - After reducing the fraction, the answer is -4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-30/27 6/9-60/27 6/18-30/27 6/9-30/54 18/9-30/27 6/9-90/27 6/27-30/27 6/9-30/81 30/9-30/27 6/45-30/27 42/9-30/27 6/63-30/27