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Add 25/50 and 7/21

25/50 + 7/21 is 5/6.

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,
    25/50 = 25 × 21/50 × 21 = 525/1050
  3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
    7/21 = 7 × 50/21 × 50 = 350/1050
  4. Add the two like fractions:
    525/1050 + 350/1050 = 525 + 350/1050 = 875/1050
  5. 875/1050 simplified gives 5/6
  6. So, 25/50 + 7/21 = 5/6

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