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प्रश्न
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`9/(-4) " and" (-3)/8`
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उत्तर
`9/(-4) + (-3)/8`
| 2 | 4, 8 |
| 2 | 2, 4 |
| 2 | 2, 2 |
| 1, 1 |
LCM of 4 and 8 = 2 x 2 x 2 = 8
`= (-9xx 2)/(4xx2) - (3xx1)/(8xx1)`
(LCM of 4 and 8 = 8)
`= (-18-3)/8 = (-21)/8`
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`
Write the Additive Inverse(Negative) of : 0
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`
Carry out the following subtraction involving a rational number.
`1 2/3 - 3 5/6`
Write the multiplicative inverse.
`(-3)/8`
Write the multiplicative inverse.
`-7 1/3`
Add: `-2/3 + 3/8`
Add: `2 1/7 + 3 8/14`.
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