Simplify #16/20-(-1.8)-4/5#?

1 Answer
Dec 18, 2016

#16/20-(-1.8)-4/5=1.8#

Explanation:

#16/20-(-1.8)-4/5#

= #(16xx5)/(20xx5)-(-1.8)-(4xx2)/(5xx2)#

= #80/100-(-1.8)-8/10#

= #0.80+1.8-0.8#

= #cancel0.80+1.8-cancel0.80#

= #1.8#