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Add 1/18 and 90/20

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

1/18 + 90/20 is 41/9.

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,
    1/18 = 1 × 10/18 × 10 = 10/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    90/20 = 90 × 9/20 × 9 = 810/180
  4. Add the two like fractions:
    10/180 + 810/180 = 10 + 810/180 = 820/180
  5. 820/180 simplified gives 41/9
  6. So, 1/18 + 90/20 = 41/9
    In mixed form: 45/9

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