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Add 30/45 and 20/18

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

30/45 + 20/18 is 16/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    30/45 = 30 × 2/45 × 2 = 60/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  4. Add the two like fractions:
    60/90 + 100/90 = 60 + 100/90 = 160/90
  5. 160/90 simplified gives 16/9
  6. So, 30/45 + 20/18 = 16/9
    In mixed form: 17/9

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