haileynicole12 haileynicole12
  • 07-02-2017
  • Mathematics
contestada

7 1⁄5 – 6 2⁄5 = ?

A. 1 1⁄5
B. 13 3⁄5
C. 4⁄5
D. 1 4⁄5

Respuesta :

lukyo
lukyo lukyo
  • 07-02-2017
7 1/5 - 6 2/5

= [ 7 + 1/5 ] - [ 6 + 2/5 ]

= [ (5 * 7)/5 + 1/5 ] - [ (5 * 6)/5 + 2/5 ]

= [ 35/5 + 1/5 ] - [ 30/5 + 2/5 ]

= 36/5 - 32/5

= 4/5 <----- this is the answer (option C.)

I hope this helps. =)
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