Answers

Add 54/63 and 2/16

54/63 + 2/16 is 55/56.

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,
   54/63 = 54 × 16/63 × 16 = 864/1008
3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
   2/16 = 2 × 63/16 × 63 = 126/1008
4. Add the two like fractions:
   864/1008 + 126/1008 = 864 + 126/1008 = 990/1008
5. 990/1008 simplified gives 55/56
6. So, 54/63 + 2/16 = 55/56

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