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Add 1/81 and 8/80

1/81 + 8/80 is 91/810.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 80 is 6480

    Next, find the equivalent fraction of both fractional numbers with denominator 6480
  2. For the 1st fraction, since 81 × 80 = 6480,
    1/81 = 1 × 80/81 × 80 = 80/6480
  3. Likewise, for the 2nd fraction, since 80 × 81 = 6480,
    8/80 = 8 × 81/80 × 81 = 648/6480
  4. Add the two like fractions:
    80/6480 + 648/6480 = 80 + 648/6480 = 728/6480
  5. 728/6480 simplified gives 91/810
  6. So, 1/81 + 8/80 = 91/810

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