No, it is not.
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It is: 4 and 3/7 as a mixed number
A rational number is one that can be represented as an integer or a fraction with an integer over an integer. An irrational number cannot be represented using integers. Examples of rational numbers: 2, 100, 1/2, 3/7, 22/7 Examples of irrational numbers: π, e, √2
22/7 is not equal to pi but only close to being equal to pi.When you divide 22 by 7 you get a rational number where the decimal numbers...repeat over and over again.22/7 =3.142857142857142857142857142857142857142857142857...You can not express pi as a fraction.When you write it out in decimal form the numbers never repeat.Those are the reasons that it is called irrational.
7 4/7