Question

Express the following as a rational number of the form p/q:

6/7+1+(-7/9)+ (19/21)+ -12/7

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Answer 1

In order to express 3 / 4 as rational no. with denominator 36, we first find a number which when multiplied with 4 gives 36.So, that number is 9. So multiply numerator and denominator both by 9.3 / 4 = ( 3 x 9) / (4 x 9)3 /4 = 27 / 36

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Answer 2

Answer:

Some useful results

Some useful results1) Every natural number is a Rational No.but a rational no. need not be a natural number.

Some useful results1) Every natural number is a Rational No.but a rational no. need not be a natural number.2) Zero is a rational no.

Some useful results1) Every natural number is a Rational No.but a rational no. need not be a natural number.2) Zero is a rational no.3) Every integer is a rational no. but a rational no. need not be an integer.

Some useful results1) Every natural number is a Rational No.but a rational no. need not be a natural number.2) Zero is a rational no.3) Every integer is a rational no. but a rational no. need not be an integer.4) Every fraction is a rational no. but a rational no. need not be a fraction.