Advertisements
Advertisements
प्रश्न
Reduce the following rational numbers in its lowest form:
`(-60)/72`
उत्तर
`(-60)/72` can be written as
= `(-60 ÷ 12)/(72 ÷ 12)` ......[Dividing numerator and denominator by HCF of 60 and 72 i.e. 12]
= `(-60 xx 1/12)/(72 xx 1/12)` .....`[∵ "Reciprocal of" 12 = 1/12]`
= `(-5)/6`, which is the lowest form.
APPEARS IN
संबंधित प्रश्न
Evaluate:
`3 ÷ 3/5`
Evaluate:
`3/4 ÷ (-5/12)`
Find (a + b) ÷ (a – b) if a = `1/2`, b = `2/3`
Find (a + b) ÷ (a – b) if a = `(-3)/5`, b = `2/15`
The reciprocal of ______ does not exist.
Match the following:
Column I | Column II |
(i) `a/b ÷ a/b` | (a) `(-a)/b` |
(ii) `a/b ÷ c/d` | (b) –1 |
(iii) `a/b ÷ (-1)` | (c) 1 |
(iv) `a/b ÷ (-a)/b` | (d) `(bc)/(ad)` |
(v) `b/a ÷ (d/c)` | (e) `(ad)/(bc)` |
Simplify:
`13/11 xx (-14)/5 + 13/11 xx (-7)/5 + (-13)/11 xx 34/5`
Find the reciprocal of the following:
`(-5 xx 12/15) - (-3 xx 2/9)`
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.