Add 84/24 and 40/81
1st number: 3 12/24, 2nd number: 40/81
84/24 + 40/81 is 647/162.
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,
84/24 = 84 × 27/24 × 27 = 2268/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
40/81 = 40 × 8/81 × 8 = 320/648 - Add the two like fractions:
2268/648 + 320/648 = 2268 + 320/648 = 2588/648 - 2588/648 simplified gives 647/162
- So, 84/24 + 40/81 = 647/162
In mixed form: 3161/162
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