How do you add #-\frac { 8c - 3d } { 2c } + \frac { 7c - 7d } { 2c }#?

1 Answer
Jul 22, 2017

#-(c+4)/(2c)#

Explanation:

#"since the fractions have a "color(blue)"common denominator"#
#"we can add the numerators leaving the denominator as is."#

#rArr(-(8c-3d)+7c-7d)/(2c)#

#=(-8c+3d+7c-7d)/(2c)#

#=(-c-4d)/(2c)#

#=-(c+4d)/(2c)#