How do you evaluate #\frac { - 1} { 4} \times - 1\frac { 3} { 5} #?
1 Answer
Aug 13, 2017
Explanation:
#• "note that " (-)xx(-)=+#
#"change "1 3/5" into an "color(blue)"improper fraction"#
#rArr1 3/5=8/5#
#"multiply the 2 fractions "color(blue)"cancelling "# any
#color(blue)"common factors"# on the numerator/denominator.
#rArr-1/4xx-8/5#
#=1/cancel(4)^1xxcancel(8)^2/5#
#=(1xx2)/(1xx5)#
#=2/5#
