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Add 18/70 and 1/12

18/70 + 1/12 is 143/420.

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,
    18/70 = 18 × 6/70 × 6 = 108/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    1/12 = 1 × 35/12 × 35 = 35/420
  4. Add the two like fractions:
    108/420 + 35/420 = 108 + 35/420 = 143/420
  5. So, 18/70 + 1/12 = 143/420

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