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
