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Add 36/42 and 4/18

36/42 + 4/18 is 68/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    36/42 = 36 × 3/42 × 3 = 108/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    4/18 = 4 × 7/18 × 7 = 28/126
  4. Add the two like fractions:
    108/126 + 28/126 = 108 + 28/126 = 136/126
  5. 136/126 simplified gives 68/63
  6. So, 36/42 + 4/18 = 68/63
    In mixed form: 15/63

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