It the signs of the two numbers that you are multiplying or dividing is the same, then the answer is positive, otherwise the answer is negative. Remember though, that division by 0 is not defined.
It the two rational numbers have different signs, then the answer will be negative, otherwise it will be positive.
dividing by one third is the same as multiplying by three
Dividing by a non-zero rational number is the same as multiplying by its reciprocal.
Details about multiplying and dividing rational number involves modeling multiplying fractions by dividing squares to equal segments and then overlap the squares.
did you get this off of big ideas learning
After multiplying or dividing two rational expressions it is sometimes possible to simplify the resulting expression.
Dividing by a rational number (other than zero) is simply multiplication by its reciprocal.
To divide by a fraction, you simply multiply by the reciprocal. For example, dividing by 3/5 is the same as multiplying by 5/3.
It is the positive value of that rational number.
Rational numbers can be negative or positive.
A positive rational number.
Every positive rational number and its negative are the two square roots of the same positive rational number.