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Add 45/90 and 5/4

1st number: 45/90, 2nd number: 1 1/4

45/90 + 5/4 is 7/4.

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,
    45/90 = 45 × 2/90 × 2 = 90/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    5/4 = 5 × 45/4 × 45 = 225/180
  4. Add the two like fractions:
    90/180 + 225/180 = 90 + 225/180 = 315/180
  5. 315/180 simplified gives 7/4
  6. So, 45/90 + 5/4 = 7/4
    In mixed form: 13/4

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