Answers

Add 10/84 and 84/81

1^st number: 10/84, 2^nd number: 1 3/81

10/84 + 84/81 is 437/378.

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,
   10/84 = 10 × 27/84 × 27 = 270/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   84/81 = 84 × 28/81 × 28 = 2352/2268
4. Add the two like fractions:
   270/2268 + 2352/2268 = 270 + 2352/2268 = 2622/2268
5. 2622/2268 simplified gives 437/378
6. So, 10/84 + 84/81 = 437/378
   In mixed form: 159/378

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