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Name a fraction equal to 2/5 whose numerator and denominator have a sum of 84.

Sagot :

x + y = 84
y = 84-x

Let the numerator be x
Denominator be 84 - x

Equation:
   x                = 2
84 - x               5

5x = 2(84 - x)
5x = 168 - 2x
5x + 2x = 168
7x = 168

7x/7 = 168/7
x = 24

Numerator: x = 24
Denominator: 84 - 24 = 60

The fraction equal to 2/5 is 24/60.

24/60 = 2/5

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