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Add 30/2 and 18/42

1st number: 15 0/2, 2nd number: 18/42

30/2 + 18/42 is 108/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    30/2 = 30 × 21/2 × 21 = 630/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    18/42 = 18 × 1/42 × 1 = 18/42
  4. Add the two like fractions:
    630/42 + 18/42 = 630 + 18/42 = 648/42
  5. 648/42 simplified gives 108/7
  6. So, 30/2 + 18/42 = 108/7
    In mixed form: 153/7

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