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Add 1/21 and 6/8

1/21 + 6/8 is 67/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    1/21 = 1 × 8/21 × 8 = 8/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    6/8 = 6 × 21/8 × 21 = 126/168
  4. Add the two fractions:
    8/168 + 126/168 = 8 + 126/168 = 134/168
  5. After reducing the fraction, the answer is 67/84

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