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Add 72/2 and 21/18

1st number: 36 0/2, 2nd number: 1 3/18

72/2 + 21/18 is 223/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    72/2 = 72 × 9/2 × 9 = 648/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  4. Add the two like fractions:
    648/18 + 21/18 = 648 + 21/18 = 669/18
  5. 669/18 simplified gives 223/6
  6. So, 72/2 + 21/18 = 223/6
    In mixed form: 371/6

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