Add 90/24 and 30/81
1st number: 3 18/24, 2nd number: 30/81
90/24 + 30/81 is 445/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
90/24 = 90 × 27/24 × 27 = 2430/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
30/81 = 30 × 8/81 × 8 = 240/648 - Add the two like fractions:
2430/648 + 240/648 = 2430 + 240/648 = 2670/648 - 2670/648 simplified gives 445/108
- So, 90/24 + 30/81 = 445/108
In mixed form: 413/108
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