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Add 30/80 and 72/98

30/80 + 72/98 is 435/392.

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,
    30/80 = 30 × 49/80 × 49 = 1470/3920
  3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
    72/98 = 72 × 40/98 × 40 = 2880/3920
  4. Add the two like fractions:
    1470/3920 + 2880/3920 = 1470 + 2880/3920 = 4350/3920
  5. 4350/3920 simplified gives 435/392
  6. So, 30/80 + 72/98 = 435/392
    In mixed form: 143/392

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