Add 12/84 and 15/27
12/84 + 15/27 is 44/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
12/84 = 12 × 9/84 × 9 = 108/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
15/27 = 15 × 28/27 × 28 = 420/756 - Add the two like fractions:
108/756 + 420/756 = 108 + 420/756 = 528/756 - 528/756 simplified gives 44/63
- So, 12/84 + 15/27 = 44/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/84+15/27 12/84+30/27 12/84+15/54 36/84+15/27 12/84+45/27 12/84+15/81 60/84+15/27 12/84+75/27