Answers

Add 15/64 and 27/56

15/64 + 27/56 is 321/448.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 56 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 64 × 7 = 448,
   15/64 = 15 × 7/64 × 7 = 105/448
3. Likewise, for the 2nd fraction, since 56 × 8 = 448,
   27/56 = 27 × 8/56 × 8 = 216/448
4. Add the two like fractions:
   105/448 + 216/448 = 105 + 216/448 = 321/448
5. So, 15/64 + 27/56 = 321/448

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