Add 90/81 and 80/54
1st number: 1 9/81, 2nd number: 1 26/54
90/81 + 80/54 is 70/27.
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,
90/81 = 90 × 2/81 × 2 = 180/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
80/54 = 80 × 3/54 × 3 = 240/162 - Add the two like fractions:
180/162 + 240/162 = 180 + 240/162 = 420/162 - 420/162 simplified gives 70/27
- So, 90/81 + 80/54 = 70/27
In mixed form: 216/27
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