Subtract 6/27 from 42/15
1st number: 2 12/15, 2nd number: 6/27
42/15 - 6/27 is 116/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
42/15 = 42 × 9/15 × 9 = 378/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
6/27 = 6 × 5/27 × 5 = 30/135 - Subtract the two like fractions:
378/135 - 30/135 = 378 - 30/135 = 348/135 - After reducing the fraction, the answer is 116/45
- In mixed form: 226/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-6/27 42/15-12/27 42/30-6/27 42/15-6/54 42/15-18/27 42/45-6/27 42/15-6/81 42/15-30/27 42/75-6/27 42/15-42/27