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Add 27/90 and 5/4

1st number: 27/90, 2nd number: 1 1/4

27/90 + 5/4 is 31/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    27/90 = 27 × 2/90 × 2 = 54/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    5/4 = 5 × 45/4 × 45 = 225/180
  4. Add the two like fractions:
    54/180 + 225/180 = 54 + 225/180 = 279/180
  5. 279/180 simplified gives 31/20
  6. So, 27/90 + 5/4 = 31/20
    In mixed form: 111/20

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