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aniked [119]
2 years ago
10

The numerator of a fraction is 5 less than its denominator. If 1 is added to each its

Mathematics
2 answers:
Gekata [30.6K]2 years ago
7 0

Answer:  4/9

<u>Step-by-step explanation:</u>

Let x represent the denominator. Then the fraction is: (x - 5)/x

Add 1 to the numerator and denominator   →     (x - 5 + 1)/(x + 1) = 1/2

Cross Multiply:                   1(x + 1) = 2(x - 4)

Distribute:                             x + 1 = 2x - 8

Subtract x from both sides:       1 = x - 8

Add 9 to both sides:                  9 = x

Numerator:  x - 5    →     9 - 5 = 4

Denominator:  x     →     9

So the fraction is: 4/9

just olya [345]2 years ago
7 0
<h2><u>Given</u> :-</h2>
  • The numerator of a fraction is 5 less than its denominator
  • If 1 is added to each its value becomes 1/2
<h2><u>To Find</u> :-</h2>
  • The original fraction
<h2><u>Solution</u> :-</h2>

Let,

  • Denominator of the fraction be “x”
  • Numerator of the fraction be “x - 5”

★ If 1 is added,

  • Denominator of the fraction = x + 1
  • Numerator of the fraction = (x - 5) + 1
<h2><u>A. T. Q</u> :-</h2>

:\implies\tt\frac{x - 5 + 1}{x + 1} = \frac{1}{2}

:\implies\tt\frac{x - 4}{x + 1} = \frac{1}{2}

:\implies\tt 2x - 8 = x + 1

:\implies\tt 2x - x = 1 + 8

:\implies\tt x = 9

∴ Denominator of the fraction = 9

∴ Numerator of the fraction = x - 5 = 9 -5 = 4

Thus, the fraction is \bf\frac{4}{9}

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