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Add 1/70 and 30/81

1/70 + 30/81 is 727/1890.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 5670
  2. For the 1st fraction, since 70 × 81 = 5670,
    1/70 = 1 × 81/70 × 81 = 81/5670
  3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
    30/81 = 30 × 70/81 × 70 = 2100/5670
  4. Add the two like fractions:
    81/5670 + 2100/5670 = 81 + 2100/5670 = 2181/5670
  5. 2181/5670 simplified gives 727/1890
  6. So, 1/70 + 30/81 = 727/1890

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