Answers

Add 28/64 and 45/75

28/64 + 45/75 is 83/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 75 is 4800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4800
2. For the 1st fraction, since 64 × 75 = 4800,
   28/64 = 28 × 75/64 × 75 = 2100/4800
3. Likewise, for the 2nd fraction, since 75 × 64 = 4800,
   45/75 = 45 × 64/75 × 64 = 2880/4800
4. Add the two like fractions:
   2100/4800 + 2880/4800 = 2100 + 2880/4800 = 4980/4800
5. 4980/4800 simplified gives 83/80
6. So, 28/64 + 45/75 = 83/80
   In mixed form: 13/80

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