How do you simplify #9/ (9/8 +7)#?

1 Answer
Oct 30, 2017

#72/65#

Explanation:

#=> 9/(9/8 + 7)#

#=> 9/(9/8 + (7 × 9/9))#

#=> 9/(9/8 + (7xx9)/9)#

#=> cancel(9)/(cancel(9)(1/8 + 7/9)#

#=> 1/(1/8 + 7/9)#

#=> 1/((1/8 × 9/9) + (7/9 × 8/8))#

#=> 1/(9/72 + 56/72)#

#=> 1/((9 + 56)/72)#

#=> 72/65#