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Add 4/21 and 6/36

4/21 + 6/36 is 5/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 36 is 252
  2. For the 1st fraction, since 21 × 12 = 252,
    4/21 = 4 × 12/21 × 12 = 48/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    6/36 = 6 × 7/36 × 7 = 42/252
  4. Add the two fractions:
    48/252 + 42/252 = 48 + 42/252 = 90/252
  5. After reducing the fraction, the answer is 5/14

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