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Add 72/36 and 9/18

1st number: 2 0/36, 2nd number: 9/18

72/36 + 9/18 is 5/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 18 is 36
  2. For the 1st fraction, since 36 × 1 = 36,
    72/36 = 72 × 1/36 × 1 = 72/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    9/18 = 9 × 2/18 × 2 = 18/36
  4. Add the two fractions:
    72/36 + 18/36 = 72 + 18/36 = 90/36
  5. After reducing the fraction, the answer is 5/2
  6. In mixed form: 21/2

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