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Add 12/42 and 9/36

12/42 + 9/36 is 15/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 42 × 6 = 252,
    12/42 = 12 × 6/42 × 6 = 72/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    9/36 = 9 × 7/36 × 7 = 63/252
  4. Add the two like fractions:
    72/252 + 63/252 = 72 + 63/252 = 135/252
  5. 135/252 simplified gives 15/28
  6. So, 12/42 + 9/36 = 15/28

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