Answers

Add 84/63 and 27/16

1^st number: 1 21/63, 2^nd number: 1 11/16

84/63 + 27/16 is 145/48.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 16 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 63 × 16 = 1008,
   84/63 = 84 × 16/63 × 16 = 1344/1008
3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
   27/16 = 27 × 63/16 × 63 = 1701/1008
4. Add the two like fractions:
   1344/1008 + 1701/1008 = 1344 + 1701/1008 = 3045/1008
5. 3045/1008 simplified gives 145/48
6. So, 84/63 + 27/16 = 145/48
   In mixed form: 31/48

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