Add 28/84 and 2/18
28/84 + 2/18 is 4/9.
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,
28/84 = 28 × 3/84 × 3 = 84/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
2/18 = 2 × 14/18 × 14 = 28/252 - Add the two like fractions:
84/252 + 28/252 = 84 + 28/252 = 112/252 - 112/252 simplified gives 4/9
- So, 28/84 + 2/18 = 4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+2/18 28/84+4/18 28/84+2/36 28/84+6/18 28/84+2/54 28/84+10/18 28/84+2/90 28/84+14/18