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Add 16/8 and 3/21

1st number: 2 0/8, 2nd number: 3/21

16/8 + 3/21 is 15/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 21 is 168
  2. For the 1st fraction, since 8 × 21 = 168,
    16/8 = 16 × 21/8 × 21 = 336/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    3/21 = 3 × 8/21 × 8 = 24/168
  4. Add the two fractions:
    336/168 + 24/168 = 336 + 24/168 = 360/168
  5. After reducing the fraction, the answer is 15/7
  6. In mixed form: 21/7

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