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Add 72/90 and 45/18

1st number: 72/90, 2nd number: 2 9/18

72/90 + 45/18 is 33/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    72/90 = 72 × 1/90 × 1 = 72/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    45/18 = 45 × 5/18 × 5 = 225/90
  4. Add the two like fractions:
    72/90 + 225/90 = 72 + 225/90 = 297/90
  5. 297/90 simplified gives 33/10
  6. So, 72/90 + 45/18 = 33/10
    In mixed form: 33/10

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