Question

questions on rational numbers

Answer 1

1. Multiplicative inverse of a negative rational number is?
2. Associative property is not followed in_________
3. ____ is the identity for the addition of rational numbers. 
4.Zero has ________ reciprocal.
5.If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8. What is the number?
6. Insert six rational numbers between (i) -1/3 and -2/3 (ii) ¼ and ½
7.Give a rational number which when added to it gives the same number

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Answer 2

following are the questions for rational numbers.
1. express each of the following rational numbers in standard form-
1. -9/12                 2. 15/-18
2.arrange the rational numbers:-
1. -3/4, 5/6, 7/-8 and 2/3 in ascending order.
2. -5/12, 7/-18, -2/3 ans 4/-9 in descending order.
3. add the following rational numbers:-
1. 7/19 and 6/19
2. 5/-14, -3/14 and -8/14
4.subtract the following rational numbers:-
1. 5/7 from 3/8
2. 7/8 from the sum of 5/16 and -7/24
5. the sum of two rational numbers is 31/24. if one number is 7/8, find the other.
6.what should be subtracted from the sum of 3/5 and 5/3 to get 1/15?