Quiz : Rational Numbers

There are 10 questions in this quiz. Answer all the questions and comment how many you got correct with something about yourself.

The sum of the rational number (-5/16) and (7/12) is:

-7/48
1/24
13/48
1/3


Which number should be added to (7/12) to get (4/15)?

-19/60
-11/30
52/60
1/20


Simplify : (2/3) + (-4/5) + (7/15) + (-11/20)

-1/5
-13/60
-4/15
-7/30


What number should be subtracted from -3/5 to get -2?

-7/5
-13/5
13/5
7/5


Which of the following rational numbers is in the standard form?

-12/26
-49/91
-9/16
28/(-105)


The sum of two rational numbers is (-3). If one of the numbers is (-10/3), the other number is:

-13/3
-19/3
1/3
13/3


Which of the following forms a pair of equivalent rational numbers?

(14/35) and (21/45)
(-12/26) and (-18/39)
(-3/7) and (-21/56)
(-7/28) and (-5/20)


The value of (-9/16 × 8/15) is :

-3/10
-4/5
-9/25
-2/5


The value of(-5/9 ÷ 2/3) is :

-5/2
-5/6
-10/27
-6/5


The product of two numbers is -16/35 . If one of the number is -15/14, find the other :

-2/5
8/15
32/75
-8/3