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Add 81/20 and 12/98

1st number: 4 1/20, 2nd number: 12/98

81/20 + 12/98 is 4089/980.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 98 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 20 × 49 = 980,
    81/20 = 81 × 49/20 × 49 = 3969/980
  3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
    12/98 = 12 × 10/98 × 10 = 120/980
  4. Add the two like fractions:
    3969/980 + 120/980 = 3969 + 120/980 = 4089/980
  5. So, 81/20 + 12/98 = 4089/980
    In mixed form: 4169/980

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