# Rational Numbers Class 8 Worksheet

Q.1) The standard form of 24/32 is?
a) 5/4
b) 2/5
c) 3/4

Q.2) Are 14/21 and 12/15 are equivalent Rational Numbers?
a) Yes
b) No

Q.3) Express (-9/7) as a Rational Number with Numerator 63.
a) 63/(-49)
b) 63/(-42)

Q.4) Express 4/5 as a Rational Number with Denominator -75.
a) (-56)/(-75)
b) (-60)/(-75)

Q.5) Fill the missing place:
8/9 __ 12/9
a) >
b) <
c) =

Q.6) Find the sum of 12/13 and (-4)/13 ?
a) 8/13
b) 6/13
c) 15/13

Q.7) Find the sum of 7/6 and 5/9 ?
a) 29/18
b) 33/18
c) 31/18

Q.8) Additive inverse of (-14)/29 is?
a) 29/(-14)
b) 14/29

Q.9) Subtract:
25/19 – 15/19 ?
a) 8/19
b) 9/19
c) 10/19

Q.10) Subtract:
7/4 – 4/5
a) 17/20
b) 19/20
c) 21/20

Q.11) Find the number that should be subtracted from 37/21 to make it equal to 19/14?
a) 19/42
b) 15/42
c) 17/42

Q.12) The sum of two Rational Number is -4 . If one of them is 5/6 then, other Rational Number is?
a) -51/30
b) -49/30
c) -53/30

Q.13) If the product of two Rational Numbers is 9/7 and one of them is 15/14 , find the other Rational Number?
a) 6/5
b) 4/5
c) 8/5

Q.14) Find the product of 5/8 and 4/7?
a) 7/12
b) 9/14
c) 5/14

Q.15) Find the reciprocal of -13/4?
a) 4/(-13)
b) 13/4

Q.16) Divide:
-9/15 ÷ 5/16
a) -48/25
b) -42/25
c) -46/25

Q.17) By what number should -4/3 be divided to obtain 5/6 ?
a) 7/(-10)
b) 9/(-10)
c) 11/(-10)

### Rational Numbers Class 8 Worksheet – Correct Answers –

Q.1) c. 3/4
Q.2) b. No
Q.3) a. 63/(-49)
Q.4) b. (-60)/(-75)
Q.5) b. <
Q.6) a. 8/13
Q.7) c. 31/18
Q.8) b) 14/29
Q.9) c. 10/19
Q.10) b. 19/20
Q.11) c. 17/42
Q.12) b. -49/30
Q.13) a. 6/5
Q.14) c. 5/14
Q.15) a. 4/(-13)
Q.16) a. -48/25
Q.17) b. 9/(-10)