Answers

Add 40/81 and 20/27

40/81 + 20/27 is 100/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 27 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   40/81 = 40 × 1/81 × 1 = 40/81
3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
   20/27 = 20 × 3/27 × 3 = 60/81
4. Add the two like fractions:
   40/81 + 60/81 = 40 + 60/81 = 100/81
5. So, 40/81 + 20/27 = 100/81
   In mixed form: 119/81

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