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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
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`6/11 "and" (-9)/11`
Evaluate:
`(2/(-3) xx 5/4) + (5/9 xx 3/(-10))`
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`
Multiply the following rational number.
`12/5 xx 4/15`
Solve:
`5/12 + 7/16`
Add: `-2/3 + 3/8`
Find the sum: `6/5 + ((-14)/15)`
Find the sum: `-4 2/3 + 7 5/12`
Find the sum of `7/3` and `(-4)/3`.
