How do you combine #3/(5x)+7/(5x)#?
1 Answer
Jul 9, 2016
Explanation:
Since the 2 fractions have a
#color(blue)"common denominator"# of 5x we can combine them into a single fraction by#color(red)"adding their numerators"#
#rArr3/(5x)+7/(5x)=(3+7)/(5x)=10/(5x)# We can simplify further by diving the 10 and 5 by 5 (cancelling)
#rArr10/(5x)=cancel(10)^2/(cancel(5)^1 x)=2/x# Thus
#3/(5x)+7/(5x)=2/x#
