Add 45/81 and 84/54
1st number: 45/81, 2nd number: 1 30/54
45/81 + 84/54 is 19/9.
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,
45/81 = 45 × 2/81 × 2 = 90/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
84/54 = 84 × 3/54 × 3 = 252/162 - Add the two like fractions:
90/162 + 252/162 = 90 + 252/162 = 342/162 - 342/162 simplified gives 19/9
- So, 45/81 + 84/54 = 19/9
In mixed form: 21/9
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Related: 90/81+84/54