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Add 6/36 and 7/21

6/36 + 7/21 is 1/2.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    6/36 = 6 × 7/36 × 7 = 42/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    7/21 = 7 × 12/21 × 12 = 84/252
  4. Add the two like fractions:
    42/252 + 84/252 = 42 + 84/252 = 126/252
  5. 126/252 simplified gives 1/2
  6. So, 6/36 + 7/21 = 1/2

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