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Add 30/42 and 6/9

30/42 + 6/9 is 29/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    30/42 = 30 × 3/42 × 3 = 90/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    6/9 = 6 × 14/9 × 14 = 84/126
  4. Add the two like fractions:
    90/126 + 84/126 = 90 + 84/126 = 174/126
  5. 174/126 simplified gives 29/21
  6. So, 30/42 + 6/9 = 29/21
    In mixed form: 18/21

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