Question

what is the number that must be added to the numerator and denominator of the fraction 5/6 so that fraction takes the new value 9/10

Answer 1

let the number be A,

then

(5+A)/(6+A) = 9/10,

10(5+A)=9(6+A),

50+10A=54+9A,

10A-9A=54-50,

then

A=4

Answer 2

Answer:

x=4

Step-by-step explanation:

because cross multiplication