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Add 12/90 and 84/27

1st number: 12/90, 2nd number: 3 3/27

12/90 + 84/27 is 146/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 27 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 90 × 3 = 270,
    12/90 = 12 × 3/90 × 3 = 36/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    84/27 = 84 × 10/27 × 10 = 840/270
  4. Add the two like fractions:
    36/270 + 840/270 = 36 + 840/270 = 876/270
  5. 876/270 simplified gives 146/45
  6. So, 12/90 + 84/27 = 146/45
    In mixed form: 311/45

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