Add 12/54 and 90/81
1st number: 12/54, 2nd number: 1 9/81
12/54 + 90/81 is 4/3.
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,
12/54 = 12 × 3/54 × 3 = 36/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
90/81 = 90 × 2/81 × 2 = 180/162 - Add the two like fractions:
36/162 + 180/162 = 36 + 180/162 = 216/162 - 216/162 simplified gives 4/3
- So, 12/54 + 90/81 = 4/3
In mixed form: 11/3
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