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Add 15/45 and 70/75

15/45 + 70/75 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 75 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 45 × 5 = 225,
    15/45 = 15 × 5/45 × 5 = 75/225
  3. Likewise, for the 2nd fraction, since 75 × 3 = 225,
    70/75 = 70 × 3/75 × 3 = 210/225
  4. Add the two like fractions:
    75/225 + 210/225 = 75 + 210/225 = 285/225
  5. 285/225 simplified gives 19/15
  6. So, 15/45 + 70/75 = 19/15
    In mixed form: 14/15

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