Answers

Add 84/18 and 54/84

1^st number: 4 12/18, 2^nd number: 54/84

84/18 + 54/84 is 223/42.

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,
   84/18 = 84 × 14/18 × 14 = 1176/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   54/84 = 54 × 3/84 × 3 = 162/252
4. Add the two like fractions:
   1176/252 + 162/252 = 1176 + 162/252 = 1338/252
5. 1338/252 simplified gives 223/42
6. So, 84/18 + 54/84 = 223/42
   In mixed form: 513/42

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