Add 27/2 and 90/81
1st number: 13 1/2, 2nd number: 1 9/81
27/2 + 90/81 is 263/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
27/2 = 27 × 81/2 × 81 = 2187/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
90/81 = 90 × 2/81 × 2 = 180/162 - Add the two like fractions:
2187/162 + 180/162 = 2187 + 180/162 = 2367/162 - 2367/162 simplified gives 263/18
- So, 27/2 + 90/81 = 263/18
In mixed form: 1411/18
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