What is #\frac{3.9}{5.0}#?

1 Answer

#3.9/5.0=0.78#

Explanation:

#3.9/5.0#

= #(3.9xx2)/(5.0xx2)# - multiplying both numerator
#color(white)(XXXXXX)#and denominator by #2#

= #7.8/10.0#

= #7.8/10xx10/10# - converting decimal into normal fraction

= #78/100# - by multiplying by 1.

= #0.78# - converting normal fraction to decimal fraction