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Add 16/25 and 3/21

16/25 + 3/21 is 137/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    16/25 = 16 × 21/25 × 21 = 336/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    3/21 = 3 × 25/21 × 25 = 75/525
  4. Add the two like fractions:
    336/525 + 75/525 = 336 + 75/525 = 411/525
  5. 411/525 simplified gives 137/175
  6. So, 16/25 + 3/21 = 137/175

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