Answers

Add 84/60 and 15/64

1^st number: 1 24/60, 2^nd number: 15/64

84/60 + 15/64 is 523/320.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 60 × 16 = 960,
   84/60 = 84 × 16/60 × 16 = 1344/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   15/64 = 15 × 15/64 × 15 = 225/960
4. Add the two like fractions:
   1344/960 + 225/960 = 1344 + 225/960 = 1569/960
5. 1569/960 simplified gives 523/320
6. So, 84/60 + 15/64 = 523/320
   In mixed form: 1203/320

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