Add 5/18 and 42/81
5/18 + 42/81 is 43/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
5/18 = 5 × 9/18 × 9 = 45/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
42/81 = 42 × 2/81 × 2 = 84/162 - Add the two like fractions:
45/162 + 84/162 = 45 + 84/162 = 129/162 - 129/162 simplified gives 43/54
- So, 5/18 + 42/81 = 43/54
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