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Add 27/90 and 28/4

1st number: 27/90, 2nd number: 7 0/4

27/90 + 28/4 is 73/10.

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,
    28/4 = 28 × 45/4 × 45 = 1260/180
  4. Add the two like fractions:
    54/180 + 1260/180 = 54 + 1260/180 = 1314/180
  5. 1314/180 simplified gives 73/10
  6. So, 27/90 + 28/4 = 73/10
    In mixed form: 73/10

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