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Add 48/80 and 4/42

48/80 + 4/42 is 73/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    48/80 = 48 × 21/80 × 21 = 1008/1680
  3. Likewise, for the 2nd fraction, since 42 × 40 = 1680,
    4/42 = 4 × 40/42 × 40 = 160/1680
  4. Add the two like fractions:
    1008/1680 + 160/1680 = 1008 + 160/1680 = 1168/1680
  5. 1168/1680 simplified gives 73/105
  6. So, 48/80 + 4/42 = 73/105

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