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Add 72/2 and 42/21

1st number: 36 0/2, 2nd number: 2 0/21

72/2 + 42/21 is 38/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    72/2 = 72 × 21/2 × 21 = 1512/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    42/21 = 42 × 2/21 × 2 = 84/42
  4. Add the two fractions:
    1512/42 + 84/42 = 1512 + 84/42 = 1596/42
  5. 1596/42 simplified gives 38/1
  6. So, 72/2 + 42/21 = 38/1

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