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Add 35/36 and 28/80

35/36 + 28/80 is 119/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 36 × 20 = 720,
    35/36 = 35 × 20/36 × 20 = 700/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    28/80 = 28 × 9/80 × 9 = 252/720
  4. Add the two like fractions:
    700/720 + 252/720 = 700 + 252/720 = 952/720
  5. 952/720 simplified gives 119/90
  6. So, 35/36 + 28/80 = 119/90
    In mixed form: 129/90

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