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Add 28/98 and 1/40

28/98 + 1/40 is 87/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 40 is 1960
  2. For the 1st fraction, since 98 × 20 = 1960,
    28/98 = 28 × 20/98 × 20 = 560/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    1/40 = 1 × 49/40 × 49 = 49/1960
  4. Add the two fractions:
    560/1960 + 49/1960 = 560 + 49/1960 = 609/1960
  5. After reducing the fraction, the answer is 87/280

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