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Add 7/21 and 32/36

7/21 + 32/36 is 11/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 21 × 12 = 252,
    7/21 = 7 × 12/21 × 12 = 84/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    32/36 = 32 × 7/36 × 7 = 224/252
  4. Add the two like fractions:
    84/252 + 224/252 = 84 + 224/252 = 308/252
  5. 308/252 simplified gives 11/9
  6. So, 7/21 + 32/36 = 11/9
    In mixed form: 12/9

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