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Add 90/98 and 4/40

90/98 + 4/40 is 499/490.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 40 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 98 × 20 = 1960,
    90/98 = 90 × 20/98 × 20 = 1800/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    4/40 = 4 × 49/40 × 49 = 196/1960
  4. Add the two like fractions:
    1800/1960 + 196/1960 = 1800 + 196/1960 = 1996/1960
  5. 1996/1960 simplified gives 499/490
  6. So, 90/98 + 4/40 = 499/490
    In mixed form: 19/490

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