Answers

Add 30/84 and 81/18

1^st number: 30/84, 2^nd number: 4 9/18

30/84 + 81/18 is 34/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   30/84 = 30 × 3/84 × 3 = 90/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   81/18 = 81 × 14/18 × 14 = 1134/252
4. Add the two like fractions:
   90/252 + 1134/252 = 90 + 1134/252 = 1224/252
5. 1224/252 simplified gives 34/7
6. So, 30/84 + 81/18 = 34/7
   In mixed form: 46/7

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