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Add 2/21 and 16/70

2/21 + 16/70 is 34/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 70 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    2/21 = 2 × 10/21 × 10 = 20/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    16/70 = 16 × 3/70 × 3 = 48/210
  4. Add the two fractions:
    20/210 + 48/210 = 20 + 48/210 = 68/210
  5. After reducing the fraction, the answer is 34/105

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