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प्रश्न
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number.
`5/(-6) "and" 2/3`
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उत्तर
`5/(-6) + 2/3`
| 2 | 6, 3 |
| 3 | 3, 3 |
| 1, 1 |
LCM of 6, 3 = 2 × 3 = 6
= `(-5 xx1)/(6xx1) + (2xx2)/(3xx2)`
(LCM of 6 and 3 = 6)
= `(-5+4)/6`
= `(-1)/6`
Which is rational number.
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संबंधित प्रश्न
Evaluate:
`3/8 + (-5)/12 + 3/7 + 3/12 + (-5)/8 + (-2)/7`
Write the Additive Inverse(Negative) of : `(-7)/5`
Write the Additive Inverse(Negative) of : 1
Multiply the following rational number.
`0/6 xx 3/4`
Write the multiplicative inverse.
`(-17)/39`
Carry out the division of rational number.
`(-5)/13 div 7/26`
Carry out the division of rational number:
`9/11 div (-8)`
Solve:
`12/5 xx ((-10))/3`
Complete the following table by finding the sums:
| + | `-1/9` | `4/11` | `(-5)/6` |
| `2/3` | |||
| `-5/4` | `(-39)/44` | ||
| `-1/3` |
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find x + (y + z).
