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Add 8/21 and 20/50

8/21 + 20/50 is 82/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 50 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 21 × 50 = 1050,
    8/21 = 8 × 50/21 × 50 = 400/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    20/50 = 20 × 21/50 × 21 = 420/1050
  4. Add the two like fractions:
    400/1050 + 420/1050 = 400 + 420/1050 = 820/1050
  5. 820/1050 simplified gives 82/105
  6. So, 8/21 + 20/50 = 82/105

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