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Add 45/20 and 20/90

1st number: 2 5/20, 2nd number: 20/90

45/20 + 20/90 is 89/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    45/20 = 45 × 9/20 × 9 = 405/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    20/90 = 20 × 2/90 × 2 = 40/180
  4. Add the two like fractions:
    405/180 + 40/180 = 405 + 40/180 = 445/180
  5. 445/180 simplified gives 89/36
  6. So, 45/20 + 20/90 = 89/36
    In mixed form: 217/36

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