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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
Find the sum:
`(-2)/3 + 0`
Fill in the blank:
Additive inverse of `(-5)/(-12)`= --------
Evaluate:
`(2/(-3) xx 5/4) + (5/9 xx 3/(-10))`
Carry out the following addition of a rational number.
`11/17 + 13/19`
Carry out the following subtraction involving a rational number.
`13/36 - 2/40`
Write the multiplicative inverse.
`2/5`
Carry out the division of a rational number.
`40/12 div 10/4`
Carry out the division of a rational number.
`2/3 div (-4)`
`(3/4 - 5/8) + 1/2` = __________
`(-3)/5 + 2/5` = ______.
