Add 42/81 and 5/6
42/81 + 5/6 is 73/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
42/81 = 42 × 2/81 × 2 = 84/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
5/6 = 5 × 27/6 × 27 = 135/162 - Add the two like fractions:
84/162 + 135/162 = 84 + 135/162 = 219/162 - 219/162 simplified gives 73/54
- So, 42/81 + 5/6 = 73/54
In mixed form: 119/54
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