Answers

Add 40/84 and 36/81

40/84 + 36/81 is 58/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   40/84 = 40 × 27/84 × 27 = 1080/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   36/81 = 36 × 28/81 × 28 = 1008/2268
4. Add the two like fractions:
   1080/2268 + 1008/2268 = 1080 + 1008/2268 = 2088/2268
5. 2088/2268 simplified gives 58/63
6. So, 40/84 + 36/81 = 58/63

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