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Add 72/18 and 54/36

1st number: 4 0/18, 2nd number: 1 18/36

72/18 + 54/36 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 36 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    72/18 = 72 × 2/18 × 2 = 144/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    54/36 = 54 × 1/36 × 1 = 54/36
  4. Add the two fractions:
    144/36 + 54/36 = 144 + 54/36 = 198/36
  5. 198/36 simplified gives 11/2
  6. So, 72/18 + 54/36 = 11/2
    In mixed form: 51/2

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