Answers

Add 15/64 and 12/20

15/64 + 12/20 is 267/320.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 20 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   15/64 = 15 × 5/64 × 5 = 75/320
3. Likewise, for the 2nd fraction, since 20 × 16 = 320,
   12/20 = 12 × 16/20 × 16 = 192/320
4. Add the two like fractions:
   75/320 + 192/320 = 75 + 192/320 = 267/320
5. So, 15/64 + 12/20 = 267/320

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