Add 81/27 and 84/18
1st number: 3 0/27, 2nd number: 4 12/18
81/27 + 84/18 is 23/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
81/27 = 81 × 2/27 × 2 = 162/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
84/18 = 84 × 3/18 × 3 = 252/54 - Add the two like fractions:
162/54 + 252/54 = 162 + 252/54 = 414/54 - 414/54 simplified gives 23/3
- So, 81/27 + 84/18 = 23/3
In mixed form: 72/3
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