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Add 72/2 and 30/21

1st number: 36 0/2, 2nd number: 1 9/21

72/2 + 30/21 is 262/7.

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,
    30/21 = 30 × 2/21 × 2 = 60/42
  4. Add the two fractions:
    1512/42 + 60/42 = 1512 + 60/42 = 1572/42
  5. 1572/42 simplified gives 262/7
  6. So, 72/2 + 30/21 = 262/7
    In mixed form: 373/7

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