Answers

Add 80/64 and 30/45

1^st number: 1 16/64, 2^nd number: 30/45

80/64 + 30/45 is 23/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 45 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 64 × 45 = 2880,
   80/64 = 80 × 45/64 × 45 = 3600/2880
3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
   30/45 = 30 × 64/45 × 64 = 1920/2880
4. Add the two like fractions:
   3600/2880 + 1920/2880 = 3600 + 1920/2880 = 5520/2880
5. 5520/2880 simplified gives 23/12
6. So, 80/64 + 30/45 = 23/12
   In mixed form: 111/12

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