Answers

Add 60/21 and 30/64

1^st number: 2 18/21, 2^nd number: 30/64

60/21 + 30/64 is 745/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 64 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 21 × 64 = 1344,
   60/21 = 60 × 64/21 × 64 = 3840/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   30/64 = 30 × 21/64 × 21 = 630/1344
4. Add the two like fractions:
   3840/1344 + 630/1344 = 3840 + 630/1344 = 4470/1344
5. 4470/1344 simplified gives 745/224
6. So, 60/21 + 30/64 = 745/224
   In mixed form: 373/224

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