Add 8/84 and 12/36
8/84 + 12/36 is 3/7.
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,
8/84 = 8 × 3/84 × 3 = 24/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Add the two like fractions:
24/252 + 84/252 = 24 + 84/252 = 108/252 - 108/252 simplified gives 3/7
- So, 8/84 + 12/36 = 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+12/36 8/84+24/36 8/84+12/72 24/84+12/36 40/84+12/36 8/84+60/36 56/84+12/36 8/84+84/36