Add 28/54 and 56/81
28/54 + 56/81 is 98/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 54 × 3 = 162,
28/54 = 28 × 3/54 × 3 = 84/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
56/81 = 56 × 2/81 × 2 = 112/162 - Add the two like fractions:
84/162 + 112/162 = 84 + 112/162 = 196/162 - 196/162 simplified gives 98/81
- So, 28/54 + 56/81 = 98/81
In mixed form: 117/81
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