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18 November, 10:17

Fractions 2 3/4 + 4 4/5 + 3 8/9 =

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Answers (2)
  1. 18 November, 10:28
    0
    11 79/80

    Step-by-step explanation:

    2+4+3 + 3/4+4/5+8/9

    =9 + 3 (5*9) + 4 (4*9) + 8 (5*4) / 4*5*9

    =9 + 135 + 144+160/180

    =9 + 439/180

    =9+2 + 79/80

    =11 79/80
  2. 18 November, 10:30
    0
    2 3/4 + 4 4/5 + 3 8/9 =

    = (2x4+3) / 4 + (4x5+4) / 5 + (3x9+8) / 9

    = ⁴⁵⁾11/4 + ³⁶⁾24/5 + ²⁰⁾35/9

    = (495 + 864 + 700) / 180

    = 2059/180
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