Subtract 6/27 from 42/6
1st number: 7 0/6, 2nd number: 6/27
42/6 - 6/27 is 61/9.
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,
42/6 = 42 × 9/6 × 9 = 378/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
6/27 = 6 × 2/27 × 2 = 12/54 - Subtract the two like fractions:
378/54 - 12/54 = 378 - 12/54 = 366/54 - After reducing the fraction, the answer is 61/9
- In mixed form: 67/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6-6/27 42/6-12/27 42/12-6/27 42/6-6/54 42/6-18/27 42/18-6/27 42/6-6/81 42/6-30/27 42/30-6/27 42/6-42/27