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Add 1/81 and 4/80

1/81 + 4/80 is 101/1620.

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,
    4/80 = 4 × 81/80 × 81 = 324/6480
  4. Add the two like fractions:
    80/6480 + 324/6480 = 80 + 324/6480 = 404/6480
  5. 404/6480 simplified gives 101/1620
  6. So, 1/81 + 4/80 = 101/1620

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