Subtract 6/27 from 21/6
1st number: 3 3/6, 2nd number: 6/27
21/6 - 6/27 is 59/18.
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,
21/6 = 21 × 9/6 × 9 = 189/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
6/27 = 6 × 2/27 × 2 = 12/54 - Subtract the two like fractions:
189/54 - 12/54 = 189 - 12/54 = 177/54 - After reducing the fraction, the answer is 59/18
- In mixed form: 35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6-6/27 21/6-12/27 21/12-6/27 21/6-6/54 63/6-6/27 21/6-18/27 21/18-6/27 21/6-6/81 21/6-30/27 21/30-6/27 21/6-42/27 21/42-6/27