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Add 30/81 and 3/80

30/81 + 3/80 is 881/2160.

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,
    30/81 = 30 × 80/81 × 80 = 2400/6480
  3. Likewise, for the 2nd fraction, since 80 × 81 = 6480,
    3/80 = 3 × 81/80 × 81 = 243/6480
  4. Add the two like fractions:
    2400/6480 + 243/6480 = 2400 + 243/6480 = 2643/6480
  5. 2643/6480 simplified gives 881/2160
  6. So, 30/81 + 3/80 = 881/2160

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