Answers

Add 28/81 and 15/48

28/81 + 15/48 is 853/1296.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 48 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   28/81 = 28 × 16/81 × 16 = 448/1296
3. Likewise, for the 2nd fraction, since 48 × 27 = 1296,
   15/48 = 15 × 27/48 × 27 = 405/1296
4. Add the two like fractions:
   448/1296 + 405/1296 = 448 + 405/1296 = 853/1296
5. So, 28/81 + 15/48 = 853/1296

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