Add 27/84 and 72/36
1st number: 27/84, 2nd number: 2 0/36
27/84 + 72/36 is 65/28.
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,
27/84 = 27 × 3/84 × 3 = 81/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
72/36 = 72 × 7/36 × 7 = 504/252 - Add the two like fractions:
81/252 + 504/252 = 81 + 504/252 = 585/252 - 585/252 simplified gives 65/28
- So, 27/84 + 72/36 = 65/28
In mixed form: 29/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+72/36 81/84+72/36