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Add 98/90 and 20/18

1st number: 1 8/90, 2nd number: 1 2/18

98/90 + 20/18 is 11/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    98/90 = 98 × 1/90 × 1 = 98/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  4. Add the two like fractions:
    98/90 + 100/90 = 98 + 100/90 = 198/90
  5. 198/90 simplified gives 11/5
  6. So, 98/90 + 20/18 = 11/5
    In mixed form: 21/5

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