Advertisements
Advertisements
प्रश्न
Evaluate: `(11/-9 xx 21/44) + ((-5)/9) xx (63/-100)`
Advertisements
उत्तर
`(11/-9 xx 21/44) + ((-5)/9) xx (63/-100)`
`= (11/-9 xx 21/44) + (5/9 xx 63/100)`
`= -(1 xx 7)/(3 xx 4) + (1 xx 7)/(1 xx 20) = - 7/12 + 7/20`
`= - (7 xx 5)/(12 xx 5) + (7 xx 3)/(20 xx 3)`
(∵ L.C.M. of 12 and 20 = 60)
`= - 35/60 + 21/60 = (- 35 + 21)/60 = (- 14)/60`
APPEARS IN
संबंधित प्रश्न
Express the following rational numbers to the lowest terms: `14/-56`
Arrange the given rational numbers in ascending order:
`4/-9, (-5)/12 "and" 2/-3 `
Add: `(- 5)/6 "and" 4/9`
Evaluate: `5/-24 + (- 1)/8 + 3/16`
Subtract:
`(- 6)/25 "from" (-8)/5`
Multiply: `1 1/6 "and" 18`
Multiply: `2 1/14 "and" -7`
A bus is moving with a speed of 65 `1/2` km per hour. How much distance will it cover in 1 `1/3` hours.
Divide: `(- 22)/9 "by" 11/18`
By what rational number should we multiply `20/-9`, so that the product may be `(-5)/9`?
