Q1 of 47 Page 126

Write down ten rational numbers which are equivalent to 5/7 and the denominator not exceeding 80.

The equivalent rational number can be calculated by multiplying and dividing with a positive number. In the question, it is given that the denominator should not be greater than 80.


First equivalent rational number of when multiplying and dividing with 2 is


Second equivalent rational number of when multiplying and dividing with 3 is


Third equivalent rational number of when multiplying and dividing with 4 is


Similarly, other equivalent rational numbers of are


More from this chapter

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4

Write the following in increasing order:

21, –8, –26, 85, 33, –333, –210, 0, 2011.

 5

Write the following in decreasing order:

85, 210, –58, 2011, –1024, 528, 364, –10000, 12.

 2

Write down 15 rational numbers which are equivalent to and the numerator not exceeding 180.

3

Write down ten positive rational numbers such that the sum of the numerator and the denominator of each is 11. Write them in decreasing order.