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Add 15/2 and 9/15

1st number: 7 1/2, 2nd number: 9/15

15/2 + 9/15 is 81/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 15 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 2 × 15 = 30,
    15/2 = 15 × 15/2 × 15 = 225/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    9/15 = 9 × 2/15 × 2 = 18/30
  4. Add the two like fractions:
    225/30 + 18/30 = 225 + 18/30 = 243/30
  5. 243/30 simplified gives 81/10
  6. So, 15/2 + 9/15 = 81/10
    In mixed form: 81/10

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