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Add 21/80 and 75/98

21/80 + 75/98 is 4029/3920.

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,
    21/80 = 21 × 49/80 × 49 = 1029/3920
  3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
    75/98 = 75 × 40/98 × 40 = 3000/3920
  4. Add the two like fractions:
    1029/3920 + 3000/3920 = 1029 + 3000/3920 = 4029/3920
  5. So, 21/80 + 75/98 = 4029/3920
    In mixed form: 1109/3920

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