Add 56/18 and 90/81
1st number: 3 2/18, 2nd number: 1 9/81
56/18 + 90/81 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
56/18 = 56 × 9/18 × 9 = 504/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
90/81 = 90 × 2/81 × 2 = 180/162 - Add the two like fractions:
504/162 + 180/162 = 504 + 180/162 = 684/162 - 684/162 simplified gives 38/9
- So, 56/18 + 90/81 = 38/9
In mixed form: 42/9
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