CBSE Class 7 Mathematics Rational Numbers Worksheet Set B

CBSE Class 7 Maths Worksheet - Rational Numbers (1) - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India. 

Question. Find a rational number whose numerator is (35 – 15) and denominator is [3 × (–7)].
Answer : -20/21

Question. Tell the rational number whose additive inverse is –7.
Answer : 7

Question. Find the value of : 13/5 - 12/25
Answer : 53/25

Question. Express -25/-115 in the standard form.
Answer : 5/23

Question. How many rational numbers are there between any two rational numbers?
Answer : infinite.

Question. Simplify : 2/3 + 3/4 + 1/12
Answer : 3/2

Question. Express -6/-7 as a rational number whose denominator is –42.
Answer : -36/-42

Question. Express -77/22 in the lowest form.
Answer : -7/2

Question. Express -8/28 in the standard form.
Answer : -2/7

Question. Simplify : -8/19 + (-2/57)
Answer : -26/57

Question. Simplify : 5/6 + (- 5/9)
Answer : 5/18

Question. Find two equivalent numbers of 7/-15
Answer : 14/-30 , -49/105

Question. Express -5/-9 as a rational number whose denominator is 45.
Answer : 25/45

Question. Find any two equivalent numbers of -10/17
Answer : -20/34, -30/51

Question. Express 27/-45 in the standard form.
Answer : -3/5

Question. Which one is greater 3/4 or 5/4.
Answer : 5/4

Question. Find a rational number whose numerator is (20 – 15) and denominator is [2 × (–3)].
Answer : -5/6

Question. Calculate 4/9 + 9.4
Answer : 117/36

Question. The sum of two rational numbers is 11/5, If one of them is -4/15 find the other rational number.
Answer : 37/15

Question. Convert -4/5 into a rational number whose numerator is 24.
Answer : 24/-30

Question. What number should be added to -5/11 so as to get 26/33 ?
Answer : 41/33

Question. Express 64/128 in the simplest form.
Answer : 1/2

Question. The sum of two rational numbers is –8. If one of the numbers is -15/7, find the other number.
Answer : -41/7

Question. Find the value of : -6/13 - (-7/13)
Answer : 1/13

Question. What is the product of a number and its multiplicative inverse.
Answer : 1

Question. Find the value of : 5/63 - (-8/21)
Answer : 29/63

Question. Express -12/-30 in the simplest form.
Answer : 2/5

Question. Simplify : -3/4 + 5/9
Answer : -7/36

Question. Pawan gives (1/5)th part of his monthly income in charity and deposits (1/6)th part in the bank. He spends the remaining amount. What part of his salary does he spend?
Answer : (19/30) th part 

Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 7 Maths Worksheet - Rational Numbers (1)