Answers

Add 20/81 and 24/48

20/81 + 24/48 is 121/162.

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,
   20/81 = 20 × 16/81 × 16 = 320/1296
3. Likewise, for the 2nd fraction, since 48 × 27 = 1296,
   24/48 = 24 × 27/48 × 27 = 648/1296
4. Add the two like fractions:
   320/1296 + 648/1296 = 320 + 648/1296 = 968/1296
5. 968/1296 simplified gives 121/162
6. So, 20/81 + 24/48 = 121/162

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