Answers

Add 20/63 and 48/64

20/63 + 48/64 is 269/252.

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,
   20/63 = 20 × 64/63 × 64 = 1280/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   48/64 = 48 × 63/64 × 63 = 3024/4032
4. Add the two like fractions:
   1280/4032 + 3024/4032 = 1280 + 3024/4032 = 4304/4032
5. 4304/4032 simplified gives 269/252
6. So, 20/63 + 48/64 = 269/252
   In mixed form: 117/252

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