Question

check weather 2/3 minus 4/5 is a rational number? check whether 4/5-2/3 is also a rational number?
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Answer 1

Answer:

Natural numbers (N): The counting numbers {1, 2, 3, …}, are called natural numbers. Some authors include 0, so that the natural numbers are {0, 1, 2, 3, …}.

Natural numbers (N): The counting numbers {1, 2, 3, …}, are called natural numbers. Some authors include 0, so that the natural numbers are {0, 1, 2, 3, …}.Whole numbers(W): The numbers {0, 1, 2, 3, …}.

Natural numbers (N): The counting numbers {1, 2, 3, …}, are called natural numbers. Some authors include 0, so that the natural numbers are {0, 1, 2, 3, …}.Whole numbers(W): The numbers {0, 1, 2, 3, …}.Integers (Z): Positive and negative counting numbers, as well as zero:{…, -2, -1, 0, 1, 2,