Advertisements
Advertisements
Question
Find the reciprocal of the following:
`(-5 xx 12/15) - (-3 xx 2/9)`
Solution
Given, `(-5 xx 12/15) - (-3 xx 2/9) = (-12/3) - (-2/3)`
= `-12/3 + 2/3`
= `(-12 + 2)/3`
= `-10/3`
Hence, the reciprocal of `-10/3` is `-3/10`.
APPEARS IN
RELATED QUESTIONS
Find the value of `(-4)/5÷ (-3)`.
By what number must `(-3)/4` be multiplied so that the product is `(-9)/16?`
`3/4 ÷ (5/8 + 1/2)` = __________
Which of the following rational numbers is equal to its reciprocal?
If `p/q` is a rational number and m is a non-zero integer, then `p/q = (p xx m)/(q xx m)`.
If `p/q` is a rational number and m is a non-zero common divisor of p and q, then `p/q = (p ÷ m)/(q ÷ m)`.
Find the reciprocal of the following:
`20/51 xx 4/91`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the reciprocal of x + y.
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find (x – y) + z.
From a rope 68 m long, pieces of equal size are cut. If length of one piece is `4 1/4`m, find the number of such pieces.
