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Add 20/90 and 16/84

20/90 + 16/84 is 26/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    20/90 = 20 × 14/90 × 14 = 280/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    16/84 = 16 × 15/84 × 15 = 240/1260
  4. Add the two like fractions:
    280/1260 + 240/1260 = 280 + 240/1260 = 520/1260
  5. 520/1260 simplified gives 26/63
  6. So, 20/90 + 16/84 = 26/63

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