Add 12/84 and 4/36
12/84 + 4/36 is 16/63.
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,
12/84 = 12 × 3/84 × 3 = 36/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
4/36 = 4 × 7/36 × 7 = 28/252 - Add the two like fractions:
36/252 + 28/252 = 36 + 28/252 = 64/252 - 64/252 simplified gives 16/63
- So, 12/84 + 4/36 = 16/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+4/36 12/84+8/36 12/84+4/72 36/84+4/36 12/84+12/36 60/84+4/36 12/84+20/36 12/84+28/36