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Add 81/98 and 45/40

1st number: 81/98, 2nd number: 1 5/40

81/98 + 45/40 is 765/392.

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,
    81/98 = 81 × 20/98 × 20 = 1620/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    45/40 = 45 × 49/40 × 49 = 2205/1960
  4. Add the two fractions:
    1620/1960 + 2205/1960 = 1620 + 2205/1960 = 3825/1960
  5. 3825/1960 simplified gives 765/392
  6. So, 81/98 + 45/40 = 765/392
    In mixed form: 1373/392

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