Subtract 3/49 from 90/12
1st number: 7 6/12, 2nd number: 3/49
90/12 - 3/49 is 729/98.
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,
90/12 = 90 × 49/12 × 49 = 4410/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
3/49 = 3 × 12/49 × 12 = 36/588 - Subtract the two like fractions:
4410/588 - 36/588 = 4410 - 36/588 = 4374/588 - After reducing the fraction, the answer is 729/98
- In mixed form: 743/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-6/49 90/24-3/49 90/12-3/98 90/12-9/49 90/36-3/49 90/12-15/49 90/60-3/49 90/12-21/49 90/84-3/49