The sum of 3 rational numbers is 10.If the first number is 4 and the second number is 2/3 less than 4 ,Find the third rational number.
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Answer:
Let the required number be x. Then,
=(3/16)+x=(−3/8)
By sending (3/16) from left hand side to the right hand side it change to −(3/16)
x=(−3/8)−(3/16)
LCM of 8 and 16 is 16
Express each of the given rational numbers with the above LCM as the common denominator.
Now,
(8×2)
(−3×2)
=
16
−6
=
(16×1)
(3×1)
=
16
3
Then,
=
16
−6
−
16
3
=
16
−6−3
=
16
−9
Hence the required number is =
16
−9
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