How do you subtract #\frac { 5x - 1} { 5} - \frac { 3x + 5} { 4}#?

1 Answer
Suren Abreu
Jan 24, 2017

#(5x-29)/20#

Explanation:

#(5x-1)/5-(3x+5)/4#

Using the LCM of the denominators, #20#, combine the numerators.

#(4(5x-1)-5(3x+5))/20#

Open the brackets and simplify. The product of a negative and a positive is a negative.

#(20x-4-15x-25)/20#

#(5x-29)/20#

Related questions
Impact of this question
490 views around the world
You can reuse this answer
Creative Commons License