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Add 98/20 and 28/18

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

98/20 + 28/18 is 581/90.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    98/20 = 98 × 9/20 × 9 = 882/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    28/18 = 28 × 10/18 × 10 = 280/180
  4. Add the two like fractions:
    882/180 + 280/180 = 882 + 280/180 = 1162/180
  5. 1162/180 simplified gives 581/90
  6. So, 98/20 + 28/18 = 581/90
    In mixed form: 641/90

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