Answers

Add 72/81 and 35/36

72/81 + 35/36 is 67/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 36 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   72/81 = 72 × 4/81 × 4 = 288/324
3. Likewise, for the 2nd fraction, since 36 × 9 = 324,
   35/36 = 35 × 9/36 × 9 = 315/324
4. Add the two like fractions:
   288/324 + 315/324 = 288 + 315/324 = 603/324
5. 603/324 simplified gives 67/36
6. So, 72/81 + 35/36 = 67/36
   In mixed form: 131/36

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