Answers

Add 20/84 and 84/36

1^st number: 20/84, 2^nd number: 2 12/36

20/84 + 84/36 is 18/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   20/84 = 20 × 3/84 × 3 = 60/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   84/36 = 84 × 7/36 × 7 = 588/252
4. Add the two like fractions:
   60/252 + 588/252 = 60 + 588/252 = 648/252
5. 648/252 simplified gives 18/7
6. So, 20/84 + 84/36 = 18/7
   In mixed form: 24/7

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