Add 84/98 and 90/63
1st number: 84/98, 2nd number: 1 27/63
84/98 + 90/63 is 16/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
84/98 = 84 × 9/98 × 9 = 756/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
90/63 = 90 × 14/63 × 14 = 1260/882 - Add the two like fractions:
756/882 + 1260/882 = 756 + 1260/882 = 2016/882 - 2016/882 simplified gives 16/7
- So, 84/98 + 90/63 = 16/7
In mixed form: 22/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: