Add 15/81 and 84/54
1st number: 15/81, 2nd number: 1 30/54
15/81 + 84/54 is 47/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
15/81 = 15 × 2/81 × 2 = 30/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
84/54 = 84 × 3/54 × 3 = 252/162 - Add the two like fractions:
30/162 + 252/162 = 30 + 252/162 = 282/162 - 282/162 simplified gives 47/27
- So, 15/81 + 84/54 = 47/27
In mixed form: 120/27
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