Add 5/6 and 72/81
5/6 + 72/81 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
5/6 = 5 × 27/6 × 27 = 135/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
72/81 = 72 × 2/81 × 2 = 144/162 - Add the two like fractions:
135/162 + 144/162 = 135 + 144/162 = 279/162 - 279/162 simplified gives 31/18
- So, 5/6 + 72/81 = 31/18
In mixed form: 113/18
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