Answers

Add 40/36 and 3/81

1^st number: 1 4/36, 2^nd number: 3/81

40/36 + 3/81 is 31/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 36 × 9 = 324,
   40/36 = 40 × 9/36 × 9 = 360/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   3/81 = 3 × 4/81 × 4 = 12/324
4. Add the two like fractions:
   360/324 + 12/324 = 360 + 12/324 = 372/324
5. 372/324 simplified gives 31/27
6. So, 40/36 + 3/81 = 31/27
   In mixed form: 14/27

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