The numerator of a rational number is three less than the denominator if the denominator is increased by five and the numerator by two we get the rational number 1÷2 find the rational number
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Answer:4/7
Step-by-step explanation:Let the numerator be=x denominator be =y
x+3=y
x+2/y+5=1/2
=2(x+2)=1(y+5). By cross multiplication.
=2x+4=y+5
=2x+4=x+3+5. By substituting value of x.
=2x-x=8-4
=x=4
y=x+3=4+3=7
Rational number is x/y=4/7
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