Answers

Add 90/81 and 84/48

1^st number: 1 9/81, 2^nd number: 1 36/48

90/81 + 84/48 is 103/36.

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,
   90/81 = 90 × 16/81 × 16 = 1440/1296
3. Likewise, for the 2nd fraction, since 48 × 27 = 1296,
   84/48 = 84 × 27/48 × 27 = 2268/1296
4. Add the two like fractions:
   1440/1296 + 2268/1296 = 1440 + 2268/1296 = 3708/1296
5. 3708/1296 simplified gives 103/36
6. So, 90/81 + 84/48 = 103/36
   In mixed form: 231/36

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