Advertisements
Advertisements
प्रश्न
What should be subtracted from `5/9` to get `9/5`?
Advertisements
उत्तर
Let the first number be x
Other number = `5/9`
Difference of two number = `9/5`
According to question,
`therefore 5/9 - "x" = 9/5`
`"x" = 5/9 - 9/5`
`"x" = (5 xx 5)/(9 xx 5) - (9 xx 9)/(5 xx 9)`
(∵ L.C.M. of 9 and 5 = 45)
`"x" = 25/45 - 81/45`
`"x" = (25 - 81)/45 = - 56 /45`
APPEARS IN
संबंधित प्रश्न
Write the following rational number in `p/q` form
2.514
Write the following number in its decimal form.
`sqrt 5`
Write the following number in its decimal form.
`121/13`
Write the following rational number in decimal form.
`(-103)/5`
Arrange `-5/9, 7/12, -2/3 and 11/18` in ascending order of their magnitudes.
Also, find the difference between the largest and smallest of these rational numbers. Express this difference as a decimal fraction correct to one decimal place.
Without doing any actual division, find which of the following rational numbers have terminating decimal representation : `32/45`
Express the following integer as a rational number with denominator 7: -16
Express `3/5` as a rational number with denominator: 45
State if the following fraction has a terminating decimal.
`(89)/(125)`
Express the following decimal as a rational number.
21.025
