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Add 84/98 and 15/80

84/98 + 15/80 is 117/112.

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,
    84/98 = 84 × 40/98 × 40 = 3360/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    15/80 = 15 × 49/80 × 49 = 735/3920
  4. Add the two like fractions:
    3360/3920 + 735/3920 = 3360 + 735/3920 = 4095/3920
  5. 4095/3920 simplified gives 117/112
  6. So, 84/98 + 15/80 = 117/112
    In mixed form: 15/112

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