Subtract 15/27 from 42/14
1st number: 3 0/14, 2nd number: 15/27
42/14 - 15/27 is 22/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
42/14 = 42 × 27/14 × 27 = 1134/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
15/27 = 15 × 14/27 × 14 = 210/378 - Subtract the two like fractions:
1134/378 - 210/378 = 1134 - 210/378 = 924/378 - After reducing the fraction, the answer is 22/9
- In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-15/27 42/14-30/27 42/28-15/27 42/14-15/54 42/14-45/27 42/14-15/81 42/14-75/27 42/70-15/27 42/98-15/27