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Add 70/75 and 3/7

70/75 + 3/7 is 143/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 7 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 7 × 75 = 525,
    3/7 = 3 × 75/7 × 75 = 225/525
  4. Add the two like fractions:
    490/525 + 225/525 = 490 + 225/525 = 715/525
  5. 715/525 simplified gives 143/105
  6. So, 70/75 + 3/7 = 143/105
    In mixed form: 138/105

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