Subtract 9/49 from 72/12
1st number: 6 0/12, 2nd number: 9/49
72/12 - 9/49 is 285/49.
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,
72/12 = 72 × 49/12 × 49 = 3528/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
9/49 = 9 × 12/49 × 12 = 108/588 - Subtract the two like fractions:
3528/588 - 108/588 = 3528 - 108/588 = 3420/588 - After reducing the fraction, the answer is 285/49
- In mixed form: 540/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-18/49 72/24-9/49 72/12-9/98 72/12-27/49 72/36-9/49 72/12-45/49 72/60-9/49 72/12-63/49 72/84-9/49