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Add 20/3 and 72/80

1st number: 6 2/3, 2nd number: 72/80

20/3 + 72/80 is 227/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 3 × 80 = 240,
    20/3 = 20 × 80/3 × 80 = 1600/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    72/80 = 72 × 3/80 × 3 = 216/240
  4. Add the two like fractions:
    1600/240 + 216/240 = 1600 + 216/240 = 1816/240
  5. 1816/240 simplified gives 227/30
  6. So, 20/3 + 72/80 = 227/30
    In mixed form: 717/30

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