Add 75/81 and 28/54
75/81 + 28/54 is 13/9.
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,
75/81 = 75 × 2/81 × 2 = 150/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
28/54 = 28 × 3/54 × 3 = 84/162 - Add the two like fractions:
150/162 + 84/162 = 150 + 84/162 = 234/162 - 234/162 simplified gives 13/9
- So, 75/81 + 28/54 = 13/9
In mixed form: 14/9
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