compare the following rational numbers:9/2( )3/-7
Answers
Answer:
Before going to the comparison of rational numbers always remember following points:
(i) Every positive number is greater than zero.
(ii) Every negative number is less than zero.
(iii) Every positive number is greater than negative number.
(iv) Every number on the right of number line is greater than number on its left on the number line.
2. For comparison between two rational numbers we need to follow the below mentioned steps:
Step I: Firstly make sure that the denominators of the given rational numbers are positive. If not so multiply both numerator and denominator of the rational number by -1 to convert the negative denominator into positive. This will result into negative numerator and positive denominator.
Step II: Secondly, check for the rational numbers for like rational numbers (which have same denominator) and unlike rational numbers (which have different denominators).
Step III: If the rational numbers are like fractions, then we just need to compare the numerators and the one having higher denominator will be greater of the two. Don’t forget to check for negative and positive rational numbers.
Step IV: If the rational numbers are unlike fractions then convert them into like fractions by taking L.C.M. of the denominators and then compare them as given in step 1.
Answer:
9/2> 3/-7
Step-by-step explanation:
9/2 = 4.5 ( a positive number)
where as 3/-7 mist be written as -3/7 as denominator can't be negative no.
so -3/7 = -0.428 which is less than 4.5
therefore 9/2>3/-7