Answers

Add 4/12 and 14/21

4/12 + 14/21 is 1/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   4/12 = 4 × 7/12 × 7 = 28/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   14/21 = 14 × 4/21 × 4 = 56/84
4. Add the two like fractions:
   28/84 + 56/84 = 28 + 56/84 = 84/84
5. 84/84 simplified gives 1/1
6. So, 4/12 + 14/21 = 1/1

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