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Add 4/12 and 15/35

4/12 + 15/35 is 16/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 35 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    4/12 = 4 × 35/12 × 35 = 140/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    15/35 = 15 × 12/35 × 12 = 180/420
  4. Add the two like fractions:
    140/420 + 180/420 = 140 + 180/420 = 320/420
  5. 320/420 simplified gives 16/21
  6. So, 4/12 + 15/35 = 16/21

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