Answers

Add 28/63 and 27/64

28/63 + 27/64 is 499/576.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 64 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 63 × 64 = 4032,
   28/63 = 28 × 64/63 × 64 = 1792/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   27/64 = 27 × 63/64 × 63 = 1701/4032
4. Add the two like fractions:
   1792/4032 + 1701/4032 = 1792 + 1701/4032 = 3493/4032
5. 3493/4032 simplified gives 499/576
6. So, 28/63 + 27/64 = 499/576

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