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Add 12/70 and 1/42

12/70 + 1/42 is 41/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 42 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    12/70 = 12 × 3/70 × 3 = 36/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  4. Add the two fractions:
    36/210 + 5/210 = 36 + 5/210 = 41/210

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