true or false :-

1. every rational number is a fraction

2. if a/b is a rational number and m any integer , then a/b = a x m / b x m

1- You will get this in the definition of the rational number .
2- When b = 0, It will not true as when denominator is 0 value in not defined  .

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https://www.meritnation.com/ask-answer/question/what-is-rational-number/rational-numbers/2722143