Add 7/63 and 84/18
1st number: 7/63, 2nd number: 4 12/18
7/63 + 84/18 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Add the two like fractions:
14/126 + 588/126 = 14 + 588/126 = 602/126 - 602/126 simplified gives 43/9
- So, 7/63 + 84/18 = 43/9
In mixed form: 47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63+84/18 7/63+84/36 21/63+84/18 7/63+84/54 35/63+84/18 7/63+84/90 49/63+84/18