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Add 90/98 and 30/80

90/98 + 30/80 is 507/392.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    90/98 = 90 × 40/98 × 40 = 3600/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    30/80 = 30 × 49/80 × 49 = 1470/3920
  4. Add the two like fractions:
    3600/3920 + 1470/3920 = 3600 + 1470/3920 = 5070/3920
  5. 5070/3920 simplified gives 507/392
  6. So, 90/98 + 30/80 = 507/392
    In mixed form: 1115/392

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