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प्रश्न
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-2) "and" 2/5`
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उत्तर
`(-2)/1 + 2/5` (LCM of 1 and 5 = 5)
= `(-2xx5)/(1xx5) + (2xx1)/(5xx1)`
= `(-10 + 2)/5 = (-8)/5`
Which is a rational number
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संबंधित प्रश्न
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:
`4/7 +0 + (-8)/9 + (-13)/7 + 17/9`
Write the Additive Inverse(Negative) of : -2
Carry out the following subtraction involving a rational number.
`7/11 - 3/7`
Multiply the following rational number.
`(-8)/9 xx 3/4`
Write the multiplicative inverse.
`2/5`
Write the multiplicative inverse.
`(-17)/39`
Carry out the division of rational number.
`(-5)/13 div 7/26`
Solve:
`4 3/8 div 25/18`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to x gives y.
