Matemáticas, pregunta formulada por pedro203, hace 1 año

A recipe for cupcakes calls for 3 8/9 cups of flour. Jacob accidentally put in 4 1/6 cups. How many extra cups he put in

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Contestado por pabloelgoto1zt
1
first we need to do that:
3 8/9 =(3x9+8)/9=35/9
4 1/6=
(4x6+1)/6  25/6
So he put accidentally: 25/6 - 35/9 
MCM (6,9)= 18
(25x3-35x2)/18 =(75-70)/18

It was 5/18 extra cups RPTA

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