Subtract 8/49 from 42/12
1st number: 3 6/12, 2nd number: 8/49
42/12 - 8/49 is 327/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
42/12 = 42 × 49/12 × 49 = 2058/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
8/49 = 8 × 12/49 × 12 = 96/588 - Subtract the two like fractions:
2058/588 - 96/588 = 2058 - 96/588 = 1962/588 - After reducing the fraction, the answer is 327/98
- In mixed form: 333/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-8/49 42/12-16/49 42/24-8/49 42/12-8/98 42/12-24/49 42/36-8/49 42/12-40/49 42/60-8/49 42/12-56/49 42/84-8/49