Answers

Add 4/21 and 6/12

4/21 + 6/12 is 29/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   4/21 = 4 × 4/21 × 4 = 16/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   6/12 = 6 × 7/12 × 7 = 42/84
4. Add the two like fractions:
   16/84 + 42/84 = 16 + 42/84 = 58/84
5. 58/84 simplified gives 29/42
6. So, 4/21 + 6/12 = 29/42

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