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Add 15/21 and 25/50

15/21 + 25/50 is 17/14.

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,
    15/21 = 15 × 50/21 × 50 = 750/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    25/50 = 25 × 21/50 × 21 = 525/1050
  4. Add the two like fractions:
    750/1050 + 525/1050 = 750 + 525/1050 = 1275/1050
  5. 1275/1050 simplified gives 17/14
  6. So, 15/21 + 25/50 = 17/14
    In mixed form: 13/14

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