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Add 12/42 and 4/7

12/42 + 4/7 is 6/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    12/42 = 12 × 1/42 × 1 = 12/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    4/7 = 4 × 6/7 × 6 = 24/42
  4. Add the two like fractions:
    12/42 + 24/42 = 12 + 24/42 = 36/42
  5. 36/42 simplified gives 6/7
  6. So, 12/42 + 4/7 = 6/7

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