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Add 12/45 and 90/27

1st number: 12/45, 2nd number: 3 9/27

12/45 + 90/27 is 18/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 45 × 3 = 135,
    12/45 = 12 × 3/45 × 3 = 36/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    90/27 = 90 × 5/27 × 5 = 450/135
  4. Add the two like fractions:
    36/135 + 450/135 = 36 + 450/135 = 486/135
  5. 486/135 simplified gives 18/5
  6. So, 12/45 + 90/27 = 18/5
    In mixed form: 33/5

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