Answers

Add 45/12 and 81/64

1^st number: 3 9/12, 2^nd number: 1 17/64

45/12 + 81/64 is 321/64.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 64 is 192
   
   Next, find the equivalent fraction of both fractional numbers with denominator 192
2. For the 1st fraction, since 12 × 16 = 192,
   45/12 = 45 × 16/12 × 16 = 720/192
3. Likewise, for the 2nd fraction, since 64 × 3 = 192,
   81/64 = 81 × 3/64 × 3 = 243/192
4. Add the two like fractions:
   720/192 + 243/192 = 720 + 243/192 = 963/192
5. 963/192 simplified gives 321/64
6. So, 45/12 + 81/64 = 321/64
   In mixed form: 51/64

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