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Add 30/42 and 3/4

30/42 + 3/4 is 41/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    30/42 = 30 × 2/42 × 2 = 60/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    3/4 = 3 × 21/4 × 21 = 63/84
  4. Add the two like fractions:
    60/84 + 63/84 = 60 + 63/84 = 123/84
  5. 123/84 simplified gives 41/28
  6. So, 30/42 + 3/4 = 41/28
    In mixed form: 113/28

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