Add 15/84 and 5/36
15/84 + 5/36 is 20/63.
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,
5/36 = 5 × 7/36 × 7 = 35/252 - Add the two like fractions:
45/252 + 35/252 = 45 + 35/252 = 80/252 - 80/252 simplified gives 20/63
- So, 15/84 + 5/36 = 20/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+5/36 15/84+10/36 15/84+5/72 45/84+5/36 15/84+15/36 75/84+5/36 15/84+25/36 15/84+35/36