Add 98/18 and 84/63
1st number: 5 8/18, 2nd number: 1 21/63
98/18 + 84/63 is 61/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
98/18 = 98 × 7/18 × 7 = 686/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Add the two like fractions:
686/126 + 168/126 = 686 + 168/126 = 854/126 - 854/126 simplified gives 61/9
- So, 98/18 + 84/63 = 61/9
In mixed form: 67/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/36+84/63 98/54+84/63 98/90+84/63