Add 81/18 and 84/27
1st number: 4 9/18, 2nd number: 3 3/27
81/18 + 84/27 is 137/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
81/18 = 81 × 3/18 × 3 = 243/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
84/27 = 84 × 2/27 × 2 = 168/54 - Add the two like fractions:
243/54 + 168/54 = 243 + 168/54 = 411/54 - 411/54 simplified gives 137/18
- So, 81/18 + 84/27 = 137/18
In mixed form: 711/18
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