Answers

Add 18/63 and 84/81

1^st number: 18/63, 2^nd number: 1 3/81

18/63 + 84/81 is 250/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 63 × 9 = 567,
   18/63 = 18 × 9/63 × 9 = 162/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   84/81 = 84 × 7/81 × 7 = 588/567
4. Add the two like fractions:
   162/567 + 588/567 = 162 + 588/567 = 750/567
5. 750/567 simplified gives 250/189
6. So, 18/63 + 84/81 = 250/189
   In mixed form: 161/189

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