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Add 10/21 and 8/80

10/21 + 8/80 is 121/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 21 × 80 = 1680,
    10/21 = 10 × 80/21 × 80 = 800/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    8/80 = 8 × 21/80 × 21 = 168/1680
  4. Add the two like fractions:
    800/1680 + 168/1680 = 800 + 168/1680 = 968/1680
  5. 968/1680 simplified gives 121/210
  6. So, 10/21 + 8/80 = 121/210

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