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Add 21/42 and 1/36

21/42 + 1/36 is 19/36.

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,
    21/42 = 21 × 6/42 × 6 = 126/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    1/36 = 1 × 7/36 × 7 = 7/252
  4. Add the two like fractions:
    126/252 + 7/252 = 126 + 7/252 = 133/252
  5. 133/252 simplified gives 19/36
  6. So, 21/42 + 1/36 = 19/36

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