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Add 5/4 and 20/90

1st number: 1 1/4, 2nd number: 20/90

5/4 + 20/90 is 53/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    5/4 = 5 × 45/4 × 45 = 225/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    20/90 = 20 × 2/90 × 2 = 40/180
  4. Add the two like fractions:
    225/180 + 40/180 = 225 + 40/180 = 265/180
  5. 265/180 simplified gives 53/36
  6. So, 5/4 + 20/90 = 53/36
    In mixed form: 117/36

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