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Add 4/42 and 4/80

4/42 + 4/80 is 61/420.

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,
    4/42 = 4 × 40/42 × 40 = 160/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    4/80 = 4 × 21/80 × 21 = 84/1680
  4. Add the two like fractions:
    160/1680 + 84/1680 = 160 + 84/1680 = 244/1680
  5. 244/1680 simplified gives 61/420
  6. So, 4/42 + 4/80 = 61/420

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