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Add 28/42 and 1/80

28/42 + 1/80 is 163/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    28/42 = 28 × 40/42 × 40 = 1120/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    1/80 = 1 × 21/80 × 21 = 21/1680
  4. Add the two like fractions:
    1120/1680 + 21/1680 = 1120 + 21/1680 = 1141/1680
  5. 1141/1680 simplified gives 163/240
  6. So, 28/42 + 1/80 = 163/240

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