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Add 10/25 and 5/21

10/25 + 5/21 is 67/105.

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,
    10/25 = 10 × 21/25 × 21 = 210/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    5/21 = 5 × 25/21 × 25 = 125/525
  4. Add the two like fractions:
    210/525 + 125/525 = 210 + 125/525 = 335/525
  5. 335/525 simplified gives 67/105
  6. So, 10/25 + 5/21 = 67/105

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