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Add 18/30 and 84/45

1st number: 18/30, 2nd number: 1 39/45

18/30 + 84/45 is 37/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    18/30 = 18 × 3/30 × 3 = 54/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    84/45 = 84 × 2/45 × 2 = 168/90
  4. Add the two like fractions:
    54/90 + 168/90 = 54 + 168/90 = 222/90
  5. 222/90 simplified gives 37/15
  6. So, 18/30 + 84/45 = 37/15
    In mixed form: 27/15

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