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Question
Multiply the following rational number.
`(-8)/9 xx 3/4`
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Solution
`(-8)/9 xx 3/4`
`= ((-8)xx3)/(9xx4)`
`= (-24)/36`
`= (-24div12)/(36div12)` ...(Since, HCF of 24 and 36 is 12)
`= - 2/3`
RELATED QUESTIONS
For each set of rational number, given below, verify the associative property of addition of rational number:
(i) `1/2 , 2/3 "and"-1/6`
Evaluate:
`3/7 + (-4)/9 + (-11)/7 + 7/9`
Fill in the Blank
If `a/b` is additive inverse of `(-c)/d`, then `(-c)/d` is additive inverse of ------.
Carry out the following addition of a rational number.
`1 2/3 + 2 4/5`
Write the multiplicative inverse.
`2/5`
Carry out the division of a rational number.
`2/3 div (-4)`
Carry out the division of a rational number.
`2 1/5 div 5 3/6`
`(3/4 - 5/8) + 1/2` = __________
Additive inverse of `2/3` is ______.
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to x gives y.
