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Add 16/80 and 42/84

16/80 + 42/84 is 7/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    16/80 = 16 × 21/80 × 21 = 336/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    42/84 = 42 × 20/84 × 20 = 840/1680
  4. Add the two like fractions:
    336/1680 + 840/1680 = 336 + 840/1680 = 1176/1680
  5. 1176/1680 simplified gives 7/10
  6. So, 16/80 + 42/84 = 7/10

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