Advertisements
Advertisements
Question
What should be added to `(-7)/12` to get `3/8`?
Advertisements
Solution
Let the required rational number be = x
Other number = `(-7)/12`
Sum of two numbers = `3/8`
`therefore (-7)/12 + "x" = 3/8`
`=> "x" = 3/8 - (-7)/12`
`= (3 xx 3)/(8 xx 3) + (7 xx 2)/(12 xx 2)`
(∵ L.C.M. of 8 and 12 = 24)
`= 9/24 + 14/24`
`= (9 + 14)/24 = 23/24`
APPEARS IN
RELATED QUESTIONS
Classify the decimal form of the given rational number into terminating and non-terminating recurring type.
`29/16`
Write the following numbers in `bb("p"/"q")` form.
30.219
Write the following rational number in decimal form.
`18/42`
Write the following rational number in decimal form.
`(-103)/5`
Express the following integer as a rational number with denominator 7: -16
Express `3/5` as a rational number with denominator: 25
Express `4/7` as a rational number with numerator: -12
Express the following decimal as a rational number.
0.763
The decimal form of the rational number `15/(-4)` is __________
Write the following rational number in decimal form.
`17/8`
