Answers

Add 63/64 and 16/90

63/64 + 16/90 is 3347/2880.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 90 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 64 × 45 = 2880,
   63/64 = 63 × 45/64 × 45 = 2835/2880
3. Likewise, for the 2nd fraction, since 90 × 32 = 2880,
   16/90 = 16 × 32/90 × 32 = 512/2880
4. Add the two like fractions:
   2835/2880 + 512/2880 = 2835 + 512/2880 = 3347/2880
5. So, 63/64 + 16/90 = 3347/2880
   In mixed form: 1467/2880

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