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Add 70/75 and 8/21

70/75 + 8/21 is 46/35.

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,
    70/75 = 70 × 7/75 × 7 = 490/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    8/21 = 8 × 25/21 × 25 = 200/525
  4. Add the two like fractions:
    490/525 + 200/525 = 490 + 200/525 = 690/525
  5. 690/525 simplified gives 46/35
  6. So, 70/75 + 8/21 = 46/35
    In mixed form: 111/35

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