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Add 3/12 and 5/70

3/12 + 5/70 is 9/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 70 is 420
  2. For the 1st fraction, since 12 × 35 = 420,
    3/12 = 3 × 35/12 × 35 = 105/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    5/70 = 5 × 6/70 × 6 = 30/420
  4. Add the two fractions:
    105/420 + 30/420 = 105 + 30/420 = 135/420
  5. After reducing the fraction, the answer is 9/28

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