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Add 8/80 and 15/42

8/80 + 15/42 is 16/35.

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,
    8/80 = 8 × 21/80 × 21 = 168/1680
  3. Likewise, for the 2nd fraction, since 42 × 40 = 1680,
    15/42 = 15 × 40/42 × 40 = 600/1680
  4. Add the two like fractions:
    168/1680 + 600/1680 = 168 + 600/1680 = 768/1680
  5. 768/1680 simplified gives 16/35
  6. So, 8/80 + 15/42 = 16/35

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