Question

the denominater of a rational number is greater then its numerator by 7. if 3 is sustracted from the numerator and 2 is added to its denominater the new number becomes 1 by 5 . find the rational number
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Answer 1

Answer:

6/13

Step-by-step explanation:

let numerator be x

denominator be x+7

x-3/x+7+2=1/5

x-3/x+9=1/5

cross mutiply

5(x-3)=1(x+9)

5x-15=x+9

4x=24

x= 6

numerator =6

denominator=6+7=13