Add 80/84 and 18/27
80/84 + 18/27 is 34/21.
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,
80/84 = 80 × 9/84 × 9 = 720/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
18/27 = 18 × 28/27 × 28 = 504/756 - Add the two like fractions:
720/756 + 504/756 = 720 + 504/756 = 1224/756 - 1224/756 simplified gives 34/21
- So, 80/84 + 18/27 = 34/21
In mixed form: 113/21
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