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Add 4/81 and 5/70

4/81 + 5/70 is 137/1134.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 70 is 5670

    Next, find the equivalent fraction of both fractional numbers with denominator 5670
  2. For the 1st fraction, since 81 × 70 = 5670,
    4/81 = 4 × 70/81 × 70 = 280/5670
  3. Likewise, for the 2nd fraction, since 70 × 81 = 5670,
    5/70 = 5 × 81/70 × 81 = 405/5670
  4. Add the two like fractions:
    280/5670 + 405/5670 = 280 + 405/5670 = 685/5670
  5. 685/5670 simplified gives 137/1134
  6. So, 4/81 + 5/70 = 137/1134

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