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Add 7/98 and 9/20

7/98 + 9/20 is 73/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 98 × 10 = 980,
    7/98 = 7 × 10/98 × 10 = 70/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    9/20 = 9 × 49/20 × 49 = 441/980
  4. Add the two like fractions:
    70/980 + 441/980 = 70 + 441/980 = 511/980
  5. 511/980 simplified gives 73/140
  6. So, 7/98 + 9/20 = 73/140

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