Answers

Add 40/84 and 84/81

1^st number: 40/84, 2^nd number: 1 3/81

40/84 + 84/81 is 286/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   40/84 = 40 × 27/84 × 27 = 1080/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   84/81 = 84 × 28/81 × 28 = 2352/2268
4. Add the two like fractions:
   1080/2268 + 2352/2268 = 1080 + 2352/2268 = 3432/2268
5. 3432/2268 simplified gives 286/189
6. So, 40/84 + 84/81 = 286/189
   In mixed form: 197/189

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