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Add 72/18 and 54/90

1st number: 4 0/18, 2nd number: 54/90

72/18 + 54/90 is 23/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 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 90 × 1 = 90,
    54/90 = 54 × 1/90 × 1 = 54/90
  4. Add the two like fractions:
    360/90 + 54/90 = 360 + 54/90 = 414/90
  5. 414/90 simplified gives 23/5
  6. So, 72/18 + 54/90 = 23/5
    In mixed form: 43/5

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