Answers

Add 84/63 and 98/36

1^st number: 1 21/63, 2^nd number: 2 26/36

84/63 + 98/36 is 73/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   84/63 = 84 × 4/63 × 4 = 336/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   98/36 = 98 × 7/36 × 7 = 686/252
4. Add the two like fractions:
   336/252 + 686/252 = 336 + 686/252 = 1022/252
5. 1022/252 simplified gives 73/18
6. So, 84/63 + 98/36 = 73/18
   In mixed form: 41/18

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