No . . . while the difference represents the absolute magnitude between two numbers . . . for example . . .
The difference between 5 and 2 is . . . 3 The difference between 6.4 and 9.5 is . . . 3.1
. . . there is still the chance that the difference may be zero . . . in which case the difference is neither positive nor negative
. . . so in short . . . the answer is . . . NO
The difference of two positive rational numbers is not always positive; it can also be negative or zero depending on their relationship. Therefore, the answer is NO. The difference is positive only when the first number is greater than the second number.
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