Answers

Add 6/63 and 21/16

1^st number: 6/63, 2^nd number: 1 5/16

6/63 + 21/16 is 473/336.

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,
   6/63 = 6 × 16/63 × 16 = 96/1008
3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
   21/16 = 21 × 63/16 × 63 = 1323/1008
4. Add the two like fractions:
   96/1008 + 1323/1008 = 96 + 1323/1008 = 1419/1008
5. 1419/1008 simplified gives 473/336
6. So, 6/63 + 21/16 = 473/336
   In mixed form: 1137/336

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