When you multiply 8/5 to a number and subtract it from 7/15 you get 2/5
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Ans 1/24
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Let the number be x,
Now, According to the question,
7/15 - (8/5)*x = 2/5,
Now, Simplifying the equation to get the value of x,
=> 7/15 - 8x/5 = 2/5,
=> 7/15 - 24x/15 = 2/5,
=> (7-24x) /15 = 2/5,
=> Multiplying both the sides with 15,
=> 7-24x = 6,
=> Subtracting 6 on both sides and adding 24 x on both sides,
=> 7-6 = 24x,
=> 1 = 24/x,
=> x = 1/24,
Therefore the required number is 1/24,
Hope you understand, Have a great day !!
Now, According to the question,
7/15 - (8/5)*x = 2/5,
Now, Simplifying the equation to get the value of x,
=> 7/15 - 8x/5 = 2/5,
=> 7/15 - 24x/15 = 2/5,
=> (7-24x) /15 = 2/5,
=> Multiplying both the sides with 15,
=> 7-24x = 6,
=> Subtracting 6 on both sides and adding 24 x on both sides,
=> 7-6 = 24x,
=> 1 = 24/x,
=> x = 1/24,
Therefore the required number is 1/24,
Hope you understand, Have a great day !!
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