Answers

Add 1/3 and 6/7

1/3 + 6/7 is 25/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 7 is 21
2. For the 1st fraction, since 3 × 7 = 21,
   1/3 = 1 × 7/3 × 7 = 7/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   6/7 = 6 × 3/7 × 3 = 18/21
4. Add the two fractions:
   7/21 + 18/21 = 7 + 18/21 = 25/21
5. In mixed form: 14/21

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