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Add 42/12 and 25/42

1st number: 3 6/12, 2nd number: 25/42

42/12 + 25/42 is 86/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    42/12 = 42 × 7/12 × 7 = 294/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    25/42 = 25 × 2/42 × 2 = 50/84
  4. Add the two like fractions:
    294/84 + 50/84 = 294 + 50/84 = 344/84
  5. 344/84 simplified gives 86/21
  6. So, 42/12 + 25/42 = 86/21
    In mixed form: 42/21

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