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Add 25/75 and 1/21

25/75 + 1/21 is 8/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    25/75 = 25 × 7/75 × 7 = 175/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    1/21 = 1 × 25/21 × 25 = 25/525
  4. Add the two like fractions:
    175/525 + 25/525 = 175 + 25/525 = 200/525
  5. 200/525 simplified gives 8/21
  6. So, 25/75 + 1/21 = 8/21

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