Answers

Add 28/64 and 9/60

28/64 + 9/60 is 47/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 60 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 64 × 15 = 960,
   28/64 = 28 × 15/64 × 15 = 420/960
3. Likewise, for the 2nd fraction, since 60 × 16 = 960,
   9/60 = 9 × 16/60 × 16 = 144/960
4. Add the two like fractions:
   420/960 + 144/960 = 420 + 144/960 = 564/960
5. 564/960 simplified gives 47/80
6. So, 28/64 + 9/60 = 47/80

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