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Add 1/70 and 18/81

1/70 + 18/81 is 149/630.

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,
    18/81 = 18 × 70/81 × 70 = 1260/5670
  4. Add the two like fractions:
    81/5670 + 1260/5670 = 81 + 1260/5670 = 1341/5670
  5. 1341/5670 simplified gives 149/630
  6. So, 1/70 + 18/81 = 149/630

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