What is #1 1/4 xx 2 4/5#?
1 Answer
Mar 8, 2018
Explanation:
#"to multiply "color(blue)"mixed numbers"#
#• " change mixed numbers to improper fractions"#
#• " cancel any "color(blue)"common factors"#
#1 1/4=5/4" and "2 4/5=14/5#
#rArr1 1/4xx2 4/5#
#=5/4xx14/5#
#"we can cancel the 5's and the 4 with 14 by 2"#
#=cancel(5)^1/cancel(4)^2xxcancel(14)^7/cancel(5)^1#
#=(1xx7)/(2xx1)=7/2=3 1/2#
