The number 0.58 produces a rational number when added to 0.42.
A rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. It can be expressed as a whole number or in the fractional format.
Let us find the nearest rational number which can be expressed in the whole number format.
For 0.42, the nearest rational number is 1 .
Thus the number added to 0.42 is (1 - 0.42) = 0.58 .
Therefore, the number 0.58 produces a rational number when added to 0.42.
To learn more about rational number, refer -
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