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Add 15/98 and 18/20

15/98 + 18/20 is 258/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980
  2. For the 1st fraction, since 98 × 10 = 980,
    15/98 = 15 × 10/98 × 10 = 150/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    18/20 = 18 × 49/20 × 49 = 882/980
  4. Add the two fractions:
    150/980 + 882/980 = 150 + 882/980 = 1032/980
  5. After reducing the fraction, the answer is 258/245
  6. In mixed form: 113/245

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