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