To divide fractions, multiply by the reciprocal.
3/4 divided by 2/5 = 3/4 x 5/2
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You may be referring to the rule for dividing fractions. To divide one fraction by another, you invert the second fraction (exchange numerator and denominator), and multiply instead.
The rule is if the numerator is zero than the value of the fraction is zero.
The answer is positive.
Grace The rule for dividing decimals is: dad: divide mom: multiply sister: subtract brother: Bring down Rover: Repeat
it's the rule of 78s