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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
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Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to z gives us x.
What should be added to `(-1)/2` to obtain the nearest natural number?
