Answers

Add 84/28 and 45/18

1^st number: 3 0/28, 2^nd number: 2 9/18

84/28 + 45/18 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   84/28 = 84 × 9/28 × 9 = 756/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   45/18 = 45 × 14/18 × 14 = 630/252
4. Add the two like fractions:
   756/252 + 630/252 = 756 + 630/252 = 1386/252
5. 1386/252 simplified gives 11/2
6. So, 84/28 + 45/18 = 11/2
   In mixed form: 51/2

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