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The multiplicative inverse of -2\frac{3}{4} is:
Which rational number has no reciprocal?
Assertion (A): The multiplicative inverse of -1 is -1. Reason (R): Every rational number is its own reciprocal.
Write (a) the additive inverse of \frac{8}{-19} and (b) the multiplicative inverse of -6\frac{3}{5}.
Find (a) the reciprocal of \left(\frac{2}{3}+\frac{-1}{4}\right) and (b) the sum of the reciprocals of \frac{2}{3} and \frac{-1}{4}. Are they equal? What do you conclude?
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