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Add 90/80 and 4/98

1st number: 1 10/80, 2nd number: 4/98

90/80 + 4/98 is 457/392.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 98 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    90/80 = 90 × 49/80 × 49 = 4410/3920
  3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
    4/98 = 4 × 40/98 × 40 = 160/3920
  4. Add the two like fractions:
    4410/3920 + 160/3920 = 4410 + 160/3920 = 4570/3920
  5. 4570/3920 simplified gives 457/392
  6. So, 90/80 + 4/98 = 457/392
    In mixed form: 165/392

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