Question

the numerator and denominator of a rational number are in ratio 5:7 when 6 is added to both numerator and denominator the ratio become 4:5 then the rational numbers are

Answer 1

Answer:

Step-by-step explanation:

The numerator and denominator of a rational number are in the ratio 3:4.If the denominator is increased by 3,the ratio becomes 3:5.Find the rational number.  

**

let d=denominator

let n=numerator

..

n/d=3/4

3d=4n

 

..

n/(d+3)=3/5

3d+9=5n

3d=5n-9

..

4n=5n-9

n=9

d=4n/3=36/3=12

rational number: 9/12

Answer 2

Step-by-step explanation:

ky4q7mw5k5w7nyw8akrwlu4w4wl5wsutjzu5ei5is