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Add 63/90 and 98/20

1st number: 63/90, 2nd number: 4 18/20

63/90 + 98/20 is 28/5.

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,
    63/90 = 63 × 2/90 × 2 = 126/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    98/20 = 98 × 9/20 × 9 = 882/180
  4. Add the two like fractions:
    126/180 + 882/180 = 126 + 882/180 = 1008/180
  5. 1008/180 simplified gives 28/5
  6. So, 63/90 + 98/20 = 28/5
    In mixed form: 53/5

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