Question

compare the rational numbers 21/4 and 11/8 ans fast if right i will mark you brainlist​

Answer 1

Step-by-step explanation:

21/4 and 11/8

Let us assume that a=21, b=4, c=11, d=8

Then 21/4 and 11/8

=a/b and c/d

by cross multiplication,we get,

21*8=11*4 (or) ad =bc

168=44

Since ad > bc, a/b > c/d.

In other words,

21/4 > 11/8