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Add 21/50 and 20/21

21/50 + 20/21 is 1441/1050.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    21/50 = 21 × 21/50 × 21 = 441/1050
  3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
    20/21 = 20 × 50/21 × 50 = 1000/1050
  4. Add the two like fractions:
    441/1050 + 1000/1050 = 441 + 1000/1050 = 1441/1050
  5. So, 21/50 + 20/21 = 1441/1050
    In mixed form: 1391/1050

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