helloineedhelp helloineedhelp

29-09-2015
Mathematics

contestada

Evaluate the expression
1 4/15 + (-11/15)
And
-5 4/15 - (3 7/15 + 8/15)

Respuesta :

crisforp crisforp

29-09-2015

1 + ( 4 / 15 - 11 / 15 ) = 1 - 7 / 15 = 15 / 15 - 7 / 15 = 8 / 15 ;
and
( - 5 - 3 ) + ( 4 / 15 - 7 / 15 - 8 / 15 ) = -8 - 11 / 15 = - 120 / 15 - 11 / 15 = - 131 / 15 ;

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