Add 15/84 and 18/36
15/84 + 18/36 is 19/28.
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,
15/84 = 15 × 3/84 × 3 = 45/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Add the two like fractions:
45/252 + 126/252 = 45 + 126/252 = 171/252 - 171/252 simplified gives 19/28
- So, 15/84 + 18/36 = 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+18/36 15/84+18/72 45/84+18/36 15/84+54/36 75/84+18/36 15/84+90/36