Answers

Add 90/63 and 84/16

1^st number: 1 27/63, 2^nd number: 5 4/16

90/63 + 84/16 is 187/28.

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,
   90/63 = 90 × 16/63 × 16 = 1440/1008
3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
   84/16 = 84 × 63/16 × 63 = 5292/1008
4. Add the two like fractions:
   1440/1008 + 5292/1008 = 1440 + 5292/1008 = 6732/1008
5. 6732/1008 simplified gives 187/28
6. So, 90/63 + 84/16 = 187/28
   In mixed form: 619/28

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