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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
Find the sum:
`5/4 + ((-11)/4)`
Find the sum:
`(-9)/10 + 22/15`
Find the sum:
`(-8)/19 + (-2)/57`
Fill in the Blank
If `a/b` is additive inverse of `(-c)/d`, then `(-c)/d` is additive inverse of ------.
Write the multiplicative inverse.
`-7 1/3`
Carry out the division of rational number.
`(-5)/13 div 7/26`
Add: `2 1/7 + 3 8/14`.
Satpal walks `2/3 "km from a place P, towards the east and then from there" 1 5/7` km towards west. Where will he be now from P?
Find the sum of `8/13` and `3/11`.
Complete the following table by finding the sums:
| + | `-1/9` | `4/11` | `(-5)/6` |
| `2/3` | |||
| `-5/4` | `(-39)/44` | ||
| `-1/3` |
