Add 28/84 and 7/36
28/84 + 7/36 is 19/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 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 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252 - Add the two like fractions:
84/252 + 49/252 = 84 + 49/252 = 133/252 - 133/252 simplified gives 19/36
- So, 28/84 + 7/36 = 19/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+7/36 28/84+14/36 28/84+7/72 28/84+21/36 28/84+35/36 28/84+49/36