Add 4/18 and 84/63
1st number: 4/18, 2nd number: 1 21/63
4/18 + 84/63 is 14/9.
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,
4/18 = 4 × 7/18 × 7 = 28/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Add the two like fractions:
28/126 + 168/126 = 28 + 168/126 = 196/126 - 196/126 simplified gives 14/9
- So, 4/18 + 84/63 = 14/9
In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18+84/63 4/36+84/63 12/18+84/63 4/54+84/63 20/18+84/63 4/90+84/63 28/18+84/63