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Add 72/2 and 28/21

1st number: 36 0/2, 2nd number: 1 7/21

72/2 + 28/21 is 112/3.

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,
    28/21 = 28 × 2/21 × 2 = 56/42
  4. Add the two fractions:
    1512/42 + 56/42 = 1512 + 56/42 = 1568/42
  5. 1568/42 simplified gives 112/3
  6. So, 72/2 + 28/21 = 112/3
    In mixed form: 371/3

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