Add 28/84 and 75/36
1st number: 28/84, 2nd number: 2 3/36
28/84 + 75/36 is 29/12.
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,
75/36 = 75 × 7/36 × 7 = 525/252 - Add the two like fractions:
84/252 + 525/252 = 84 + 525/252 = 609/252 - 609/252 simplified gives 29/12
- So, 28/84 + 75/36 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+75/36 28/84+75/72