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Add 98/90 and 16/20

1st number: 1 8/90, 2nd number: 16/20

98/90 + 16/20 is 17/9.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    98/90 = 98 × 2/90 × 2 = 196/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    16/20 = 16 × 9/20 × 9 = 144/180
  4. Add the two like fractions:
    196/180 + 144/180 = 196 + 144/180 = 340/180
  5. 340/180 simplified gives 17/9
  6. So, 98/90 + 16/20 = 17/9
    In mixed form: 18/9

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