Advertisements
Advertisements
प्रश्न
Which rational numbers should be added to `(-7)/8` to get `5/9`?
Advertisements
उत्तर
Required rationa number = `5/9 - ((-7)/8)`
`= 5/9 + 7/8`
| 2 | 9, 8 |
| 2 | 9, 4 |
| 2 | 9, 2 |
| 3 | 9, 1 |
| 3 | 3, 1 |
| 1, 1 |
`therefore` LCM of 9 and 8 = 2 x 2 x 2 x 3 x 3 = 72
`= (5xx8)/(9xx8) + (7xx9)/(8xx9)`
LCM of 9 and 8 = 72
`= 40/72 + 63/72`
`= (40 + 63)/72 = 103/72 = 1 31/72`
APPEARS IN
संबंधित प्रश्न
Find the sum:
`(-9)/10 + 22/15`
Find the sum:
`(-8)/19 + (-2)/57`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-8)/13 "and (-4)/13`
Carry out the following addition of a rational number.
`5/36 + 6/42`
Carry out the following addition of a rational number.
`11/17 + 13/19`
Carry out the following subtraction involving a rational number.
`7/11 - 3/7`
Carry out the following subtraction involving a rational number.
`4 1/2 - 3 1/3`
Carry out the division of rational number:
`9/11 div (-8)`
Find the sum: `6/5 + ((-14)/15)`
Find the sum of `8/13` and `3/11`.
