Subtract 28/27 from 18/6
1st number: 3 0/6, 2nd number: 1 1/27
18/6 - 28/27 is 53/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
18/6 = 18 × 9/6 × 9 = 162/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
28/27 = 28 × 2/27 × 2 = 56/54 - Subtract the two like fractions:
162/54 - 56/54 = 162 - 56/54 = 106/54 - After reducing the fraction, the answer is 53/27
- In mixed form: 126/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6-28/27 18/6-56/27 18/12-28/27 18/6-28/54 54/6-28/27 18/6-84/27 18/6-28/81 90/6-28/27 18/30-28/27 18/42-28/27