Question

Oito décimos + Quatro sextos

Answer 1

Olá,

Vamos lá,

8/10 + 4/6    mmc = 30


3*8 + 5 * 4        24 + 20      44 :2    22
----------------- = ------------ = ---     = ----
      30                   30           30 :2   15 

Answer 2

Oito décimos → 8/10

Quatro sextos → 4/6

8/10 + 4/6 = ?

mmc(6,10) = ?

6,10|2
3,5..|3
1,5..|5
1,1..|= 2*3*5 = 30

Efetuando a soma  8/10 + 4/6 =

8/10 + 4/6 = 3*8 /30 + 5*4/30 = 24/30 + 20/30 = 44/30 = 22/15

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01/02/2017
Sepauto
SSRC
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