Answers

Add 64/63 and 49/20

1^st number: 1 1/63, 2^nd number: 2 9/20

64/63 + 49/20 is 4367/1260.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   64/63 = 64 × 20/63 × 20 = 1280/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   49/20 = 49 × 63/20 × 63 = 3087/1260
4. Add the two like fractions:
   1280/1260 + 3087/1260 = 1280 + 3087/1260 = 4367/1260
5. So, 64/63 + 49/20 = 4367/1260
   In mixed form: 3587/1260

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