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Add 9/18 and 27/42

9/18 + 27/42 is 8/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    9/18 = 9 × 7/18 × 7 = 63/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    27/42 = 27 × 3/42 × 3 = 81/126
  4. Add the two like fractions:
    63/126 + 81/126 = 63 + 81/126 = 144/126
  5. 144/126 simplified gives 8/7
  6. So, 9/18 + 27/42 = 8/7
    In mixed form: 11/7

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