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Add 42/12 and 18/35

1st number: 3 6/12, 2nd number: 18/35

42/12 + 18/35 is 281/70.

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,
    42/12 = 42 × 35/12 × 35 = 1470/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    18/35 = 18 × 12/35 × 12 = 216/420
  4. Add the two like fractions:
    1470/420 + 216/420 = 1470 + 216/420 = 1686/420
  5. 1686/420 simplified gives 281/70
  6. So, 42/12 + 18/35 = 281/70
    In mixed form: 41/70

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