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Add 4/84 and 25/80

4/84 + 25/80 is 121/336.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    4/84 = 4 × 20/84 × 20 = 80/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    25/80 = 25 × 21/80 × 21 = 525/1680
  4. Add the two like fractions:
    80/1680 + 525/1680 = 80 + 525/1680 = 605/1680
  5. 605/1680 simplified gives 121/336
  6. So, 4/84 + 25/80 = 121/336

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