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Add 15/9 and 90/15

1st number: 1 6/9, 2nd number: 6 0/15

15/9 + 90/15 is 23/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 15 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 9 × 5 = 45,
    15/9 = 15 × 5/9 × 5 = 75/45
  3. Likewise, for the 2nd fraction, since 15 × 3 = 45,
    90/15 = 90 × 3/15 × 3 = 270/45
  4. Add the two like fractions:
    75/45 + 270/45 = 75 + 270/45 = 345/45
  5. 345/45 simplified gives 23/3
  6. So, 15/9 + 90/15 = 23/3
    In mixed form: 72/3

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