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Add 36/18 and 90/20

1st number: 2 0/18, 2nd number: 4 10/20

36/18 + 90/20 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    36/18 = 36 × 10/18 × 10 = 360/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    90/20 = 90 × 9/20 × 9 = 810/180
  4. Add the two like fractions:
    360/180 + 810/180 = 360 + 810/180 = 1170/180
  5. 1170/180 simplified gives 13/2
  6. So, 36/18 + 90/20 = 13/2
    In mixed form: 61/2

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