Answers

Add 8/21 and 6/36

8/21 + 6/36 is 23/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 21 × 12 = 252,
   8/21 = 8 × 12/21 × 12 = 96/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   6/36 = 6 × 7/36 × 7 = 42/252
4. Add the two like fractions:
   96/252 + 42/252 = 96 + 42/252 = 138/252
5. 138/252 simplified gives 23/42
6. So, 8/21 + 6/36 = 23/42

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