Add 18/27 and 9/84
18/27 + 9/84 is 65/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
18/27 = 18 × 28/27 × 28 = 504/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
9/84 = 9 × 9/84 × 9 = 81/756 - Add the two like fractions:
504/756 + 81/756 = 504 + 81/756 = 585/756 - 585/756 simplified gives 65/84
- So, 18/27 + 9/84 = 65/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+9/84 18/27+18/84 18/54+9/84 54/27+9/84 18/27+27/84 18/81+9/84 90/27+9/84 18/27+45/84 18/27+63/84