Add 90/98 and 63/12
1st number: 90/98, 2nd number: 5 3/12
90/98 + 63/12 is 1209/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
90/98 = 90 × 6/98 × 6 = 540/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
63/12 = 63 × 49/12 × 49 = 3087/588 - Add the two like fractions:
540/588 + 3087/588 = 540 + 3087/588 = 3627/588 - 3627/588 simplified gives 1209/196
- So, 90/98 + 63/12 = 1209/196
In mixed form: 633/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+63/24 90/98+63/36 90/98+63/60 90/98+63/84