Add 27/18 and 18/81
1st number: 1 9/18, 2nd number: 18/81
27/18 + 18/81 is 31/18.
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,
27/18 = 27 × 9/18 × 9 = 243/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
18/81 = 18 × 2/81 × 2 = 36/162 - Add the two like fractions:
243/162 + 36/162 = 243 + 36/162 = 279/162 - 279/162 simplified gives 31/18
- So, 27/18 + 18/81 = 31/18
In mixed form: 113/18
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