Add 63/84 and 28/18
1st number: 63/84, 2nd number: 1 10/18
63/84 + 28/18 is 83/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
63/84 = 63 × 3/84 × 3 = 189/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
28/18 = 28 × 14/18 × 14 = 392/252 - Add the two like fractions:
189/252 + 392/252 = 189 + 392/252 = 581/252 - 581/252 simplified gives 83/36
- So, 63/84 + 28/18 = 83/36
In mixed form: 211/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+56/18 63/84+28/36 63/84+84/18 63/84+28/54 63/84+28/90