state wheather 1.23 bar at 3 +3/4 is a rational number
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1.23 (bar over 3)
let x = 1.23333 — 1
on multiplying 100 to 1
100x = 1.2333 * 100
100x = 123.333. — 2
on multiplying 10 to 1
10x = 1.2333 * 10
10x = 12.33333. — 3
on subtracting 3 from 2
100x - 10x = 123.3333 - 12.33333
90x = 111
x = 111/90
therefore, 1.23333 can be represented as 111/90 (a rational no.)
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