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Add 7/21 and 35/75

7/21 + 35/75 is 4/5.

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,
    7/21 = 7 × 25/21 × 25 = 175/525
  3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
    35/75 = 35 × 7/75 × 7 = 245/525
  4. Add the two like fractions:
    175/525 + 245/525 = 175 + 245/525 = 420/525
  5. 420/525 simplified gives 4/5
  6. So, 7/21 + 35/75 = 4/5

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