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Add 9/20 and 72/98

9/20 + 72/98 is 1161/980.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 98 is 980
  2. For the 1st fraction, since 20 × 49 = 980,
    9/20 = 9 × 49/20 × 49 = 441/980
  3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
    72/98 = 72 × 10/98 × 10 = 720/980
  4. Add the two fractions:
    441/980 + 720/980 = 441 + 720/980 = 1161/980
  5. So, 9/20 + 72/98 = 1161/980
    In mixed form: 1181/980

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