Answers

Add 81/18 and 81/84

1^st number: 4 9/18, 2^nd number: 81/84

81/18 + 81/84 is 153/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   81/18 = 81 × 14/18 × 14 = 1134/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   81/84 = 81 × 3/84 × 3 = 243/252
4. Add the two like fractions:
   1134/252 + 243/252 = 1134 + 243/252 = 1377/252
5. 1377/252 simplified gives 153/28
6. So, 81/18 + 81/84 = 153/28
   In mixed form: 513/28

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