Answers

Add 20/81 and 36/32

1^st number: 20/81, 2^nd number: 1 4/32

20/81 + 36/32 is 889/648.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 32 is 2592
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2592
2. For the 1st fraction, since 81 × 32 = 2592,
   20/81 = 20 × 32/81 × 32 = 640/2592
3. Likewise, for the 2nd fraction, since 32 × 81 = 2592,
   36/32 = 36 × 81/32 × 81 = 2916/2592
4. Add the two like fractions:
   640/2592 + 2916/2592 = 640 + 2916/2592 = 3556/2592
5. 3556/2592 simplified gives 889/648
6. So, 20/81 + 36/32 = 889/648
   In mixed form: 1241/648

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