Answers

Add 36/81 and 10/30

36/81 + 10/30 is 7/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 30 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   36/81 = 36 × 10/81 × 10 = 360/810
3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
   10/30 = 10 × 27/30 × 27 = 270/810
4. Add the two like fractions:
   360/810 + 270/810 = 360 + 270/810 = 630/810
5. 630/810 simplified gives 7/9
6. So, 36/81 + 10/30 = 7/9

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