Answers

Add 20/16 and 54/63

1^st number: 1 4/16, 2^nd number: 54/63

20/16 + 54/63 is 59/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 63 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 16 × 63 = 1008,
   20/16 = 20 × 63/16 × 63 = 1260/1008
3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
   54/63 = 54 × 16/63 × 16 = 864/1008
4. Add the two like fractions:
   1260/1008 + 864/1008 = 1260 + 864/1008 = 2124/1008
5. 2124/1008 simplified gives 59/28
6. So, 20/16 + 54/63 = 59/28
   In mixed form: 23/28

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