Add 84/72 and 14/81
1st number: 1 12/72, 2nd number: 14/81
84/72 + 14/81 is 217/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 72 × 9 = 648,
84/72 = 84 × 9/72 × 9 = 756/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
14/81 = 14 × 8/81 × 8 = 112/648 - Add the two like fractions:
756/648 + 112/648 = 756 + 112/648 = 868/648 - 868/648 simplified gives 217/162
- So, 84/72 + 14/81 = 217/162
In mixed form: 155/162
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