Answers

Add 3/81 and 60/64

3/81 + 60/64 is 421/432.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 64 is 5184
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5184
2. For the 1st fraction, since 81 × 64 = 5184,
   3/81 = 3 × 64/81 × 64 = 192/5184
3. Likewise, for the 2nd fraction, since 64 × 81 = 5184,
   60/64 = 60 × 81/64 × 81 = 4860/5184
4. Add the two like fractions:
   192/5184 + 4860/5184 = 192 + 4860/5184 = 5052/5184
5. 5052/5184 simplified gives 421/432
6. So, 3/81 + 60/64 = 421/432

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