Subtract 27/49 from 81/12
1st number: 6 9/12, 2nd number: 27/49
81/12 - 27/49 is 1215/196.
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,
81/12 = 81 × 49/12 × 49 = 3969/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
27/49 = 27 × 12/49 × 12 = 324/588 - Subtract the two like fractions:
3969/588 - 324/588 = 3969 - 324/588 = 3645/588 - After reducing the fraction, the answer is 1215/196
- In mixed form: 639/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12-54/49 81/24-27/49 81/12-27/98 81/12-81/49 81/36-27/49 81/60-27/49 81/84-27/49