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Add 15/20 and 12/98

15/20 + 12/98 is 171/196.

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,
    15/20 = 15 × 49/20 × 49 = 735/980
  3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
    12/98 = 12 × 10/98 × 10 = 120/980
  4. Add the two fractions:
    735/980 + 120/980 = 735 + 120/980 = 855/980
  5. 855/980 simplified gives 171/196
  6. So, 15/20 + 12/98 = 171/196

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