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Add 15/40 and 20/98

15/40 + 20/98 is 227/392.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 98 is 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    15/40 = 15 × 49/40 × 49 = 735/1960
  3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
    20/98 = 20 × 20/98 × 20 = 400/1960
  4. Add the two fractions:
    735/1960 + 400/1960 = 735 + 400/1960 = 1135/1960
  5. After reducing the fraction, the answer is 227/392

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