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Add 84/2 and 15/30

1st number: 42 0/2, 2nd number: 15/30

84/2 + 15/30 is 85/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 2 × 15 = 30,
    84/2 = 84 × 15/2 × 15 = 1260/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    15/30 = 15 × 1/30 × 1 = 15/30
  4. Add the two like fractions:
    1260/30 + 15/30 = 1260 + 15/30 = 1275/30
  5. 1275/30 simplified gives 85/2
  6. So, 84/2 + 15/30 = 85/2
    In mixed form: 421/2

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