Add 30/84 and 27/36
30/84 + 27/36 is 31/28.
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,
30/84 = 30 × 3/84 × 3 = 90/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
27/36 = 27 × 7/36 × 7 = 189/252 - Add the two like fractions:
90/252 + 189/252 = 90 + 189/252 = 279/252 - 279/252 simplified gives 31/28
- So, 30/84 + 27/36 = 31/28
In mixed form: 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+27/36 30/84+54/36 30/84+27/72 90/84+27/36 30/84+81/36