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Add 3/84 and 3/70

3/84 + 3/70 is 11/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    3/84 = 3 × 5/84 × 5 = 15/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    3/70 = 3 × 6/70 × 6 = 18/420
  4. Add the two fractions:
    15/420 + 18/420 = 15 + 18/420 = 33/420
  5. 33/420 simplified gives 11/140
  6. So, 3/84 + 3/70 = 11/140

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