Between any two rational numbers, there are infinitely many rationals. Method: average of two numbers. Between 1/4 and 1/2: average = (1/4+1/2)/2 = (3/4)/2 = 3/8. To find 5 numbers between 1/4 and 1/2: convert to same denominator with gap. 2/8 and 4/8 โ only 3/8 between. Scale up: 4/16 and 8/16 โ 5,6,7 between = 5/16, 6/16, 7/16.
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