Add 18/6 and 28/63
1st number: 3 0/6, 2nd number: 28/63
18/6 + 28/63 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
18/6 = 18 × 21/6 × 21 = 378/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
28/63 = 28 × 2/63 × 2 = 56/126 - Add the two like fractions:
378/126 + 56/126 = 378 + 56/126 = 434/126 - 434/126 simplified gives 31/9
- So, 18/6 + 28/63 = 31/9
In mixed form: 34/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+28/63 18/6+56/63 18/12+28/63 54/6+28/63 18/6+84/63 90/6+28/63 18/30+28/63 18/42+28/63