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प्रश्न
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`7/(-18) "and" 8/27`
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उत्तर
`7/(-18) + 8/27`
=`(-7xx3)/(18xx3) + (8xx2)/(27xx2)`
| 2 | 18, 27 |
| 3 | 9, 27 |
| 3 | 3, 9 |
| 3 | 1, 3 |
| 1, 1 |
LCM of 18 and 27 = 2 x 3 x 3 x 3 = 54
= `(-21 + 16)/54 = -5/54`
Which is a rational number.
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संबंधित प्रश्न
Find the sum:
`5/3 + 3/5`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
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Write the Additive Inverse(Negative) of : 1
Which rational numbers should be added to `(-7)/8` to get `5/9`?
Carry out the division of a rational number.
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Carry out the division of a rational number.
`2 1/5 div 5 3/6`
Carry out the division of rational number:
`9/11 div (-8)`
Find the sum: `7/5 + 5/7`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to z gives us x.
