![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
First factor the numerator and denominator.
\20 = 2 · 2 · 5 \ \
\53 = 1 · 53
\The GCF is the product of the common prime factors in each term.
\GCF = 1
\ ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Since GCF of the numerator and the denominator is 1, the fraction already in its simplest form.
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![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Simplified.