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Add 1/18 and 21/84

1/18 + 21/84 is 11/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    1/18 = 1 × 14/18 × 14 = 14/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    21/84 = 21 × 3/84 × 3 = 63/252
  4. Add the two like fractions:
    14/252 + 63/252 = 14 + 63/252 = 77/252
  5. 77/252 simplified gives 11/36
  6. So, 1/18 + 21/84 = 11/36

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