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Add 72/18 and 18/5

1st number: 4 0/18, 2nd number: 3 3/5

72/18 + 18/5 is 38/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 5 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    72/18 = 72 × 5/18 × 5 = 360/90
  3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
    18/5 = 18 × 18/5 × 18 = 324/90
  4. Add the two like fractions:
    360/90 + 324/90 = 360 + 324/90 = 684/90
  5. 684/90 simplified gives 38/5
  6. So, 72/18 + 18/5 = 38/5
    In mixed form: 73/5

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