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Add 8/21 and 10/75

8/21 + 10/75 is 18/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    8/21 = 8 × 25/21 × 25 = 200/525
  3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
    10/75 = 10 × 7/75 × 7 = 70/525
  4. Add the two like fractions:
    200/525 + 70/525 = 200 + 70/525 = 270/525
  5. 270/525 simplified gives 18/35
  6. So, 8/21 + 10/75 = 18/35

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