Advertisements
Advertisements
Question
Evaluate : `(32/15 + 8/5) div (32/15 - 8/5)`
Advertisements
Solution
`(32/15 + 8/5) div (32/15 - 8/5)`
`((32 xx 1)/(15 xx 1) + (8xx3)/(5 xx 3)) div ((32 xx1)/(15 xx 1) - (8 xx 1)/(5 xx 1))`
(∵ L.C.M. of 15, 5 = 15)
`= ((32 + 24)/15) div ((32 - 24)/15)`
`= 56/15 div 8/15 => 56/15 xx 15/8 = 7`
APPEARS IN
RELATED QUESTIONS
Write the following number in its decimal form.
`(-5)/7`
Write the following rational number in decimal form.
`-11/13`
Without doing any actual division, find which of the following rational numbers have terminating decimal representation : `43/50`
The sum of two rational numbers is `11/24`. If one of them is `3/8`, fine the other.
The sum of two numbers is `- 6/5`. If one of them is -2, find the other.
What should be subtracted from `5/9` to get `9/5`?
Express the following decimal as a rational number.
4.6724
Write the following rational number in decimal form.
`7 3/5`
Write the following rational number in decimal form.
`5/12`
Write the following rational number in decimal form.
`7/9`
