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Add 42/30 and 18/9

1st number: 1 12/30, 2nd number: 2 0/9

42/30 + 18/9 is 17/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    42/30 = 42 × 3/30 × 3 = 126/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    18/9 = 18 × 10/9 × 10 = 180/90
  4. Add the two like fractions:
    126/90 + 180/90 = 126 + 180/90 = 306/90
  5. 306/90 simplified gives 17/5
  6. So, 42/30 + 18/9 = 17/5
    In mixed form: 32/5

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