Answers

Add 10/45 and 84/64

1^st number: 10/45, 2^nd number: 1 20/64

10/45 + 84/64 is 221/144.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 64 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 45 × 64 = 2880,
   10/45 = 10 × 64/45 × 64 = 640/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   84/64 = 84 × 45/64 × 45 = 3780/2880
4. Add the two like fractions:
   640/2880 + 3780/2880 = 640 + 3780/2880 = 4420/2880
5. 4420/2880 simplified gives 221/144
6. So, 10/45 + 84/64 = 221/144
   In mixed form: 177/144

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