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Add 3/70 and 9/12

3/70 + 9/12 is 111/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    3/70 = 3 × 6/70 × 6 = 18/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    9/12 = 9 × 35/12 × 35 = 315/420
  4. Add the two like fractions:
    18/420 + 315/420 = 18 + 315/420 = 333/420
  5. 333/420 simplified gives 111/140
  6. So, 3/70 + 9/12 = 111/140

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