Add 12/36 and 6/84
12/36 + 6/84 is 17/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
6/84 = 6 × 3/84 × 3 = 18/252 - Add the two like fractions:
84/252 + 18/252 = 84 + 18/252 = 102/252 - 102/252 simplified gives 17/42
- So, 12/36 + 6/84 = 17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+6/84 12/36+12/84 12/72+6/84 12/36+18/84 60/36+6/84 12/36+30/84 84/36+6/84 12/36+42/84