Rational Numbers is an important chapter in Class 7 Maths. If you want to understand this topic simply and easily, then RD Sharma Class 7 Chapter 4 Rational Numbers is the best resource for you. This chapter helps students learn about numbers that can be written in the form of p/q, where p and q are integers, and q is not zero.
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Also Check: RD Sharma Solutions for Class 7 Maths
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Download RD Sharma Solutions for Class 7 Maths Chapter 4 Rational Numbers
If you want to study Maths easily, you can download RD Sharma Solutions for Class 7 Maths Chapter 4 Rational Numbers in PDF format. These solutions help you understand all the important concepts of rational numbers in a simple way. By downloading the PDF, you can access step-by-step answers for every exercise in Chapter 4 anytime, even without the internet. The RD Sharma Class 7 Chapter 4 Rational Numbers solutions cover topics like properties of rational numbers, addition, subtraction, multiplication, and division of rational numbers with easy examples. Many students prefer to download RD Sharma Class 7 Solutions Chapter 4 Rational Numbers because it helps them revise quickly and solve all types of questions easily. With the Class 7 Maths Chapter 4 Rational Numbers PDF, you can practice regularly and score better marks in your exams.
Access the answers to Maths RD Sharma Solutions For Class 7 Chapter 4 – Rational Numbers
Exercise 4.1
Q1. Find the Numerator
For each rational number, we write the numerator:
- (-7/5): Numerator = -7
- (14/-4): Numerator = 14
- (-17/-21): Numerator = -17
- (8/9): Numerator = 8
- 5: Numerator = 5
Q2. Find the Denominator
For each rational number, we write the denominator:
- (-4/5): Denominator = 5
- (11/-34): Denominator = -34
- (-15/-82): Denominator = -82
- 15: Denominator = 1
- 0: Denominator = any non-zero number
Q3. Rational Number from Expression
Numerator = (-3) × 4 = -12
Denominator = (34 - 23) × (7 - 4) = 11 × 3 = 33
Rational number = -12/33
Q4. Change to Integers
(7/1), (-12/1), (34/1), (-73/1), (95/1) are equal to integers: 7, -12, 34, -73, 95.
Q5. Integers as Rational Numbers
-15 = -15/1, 17 = 17/1, 85 = 85/1, -100 = -100/1
Q6. Smallest and Largest Numbers
Smallest three-digit number = 100, Largest four-digit number = 9999. Rational number = 100/9999.
Q7. Separate Positive and Negative Rational Numbers
Positive Rational Numbers: (-5/-7), (-18/-7), (7/4), (-1/-9)
Negative Rational Numbers: (12/-5), (13/-9), (-95/116)
Q8. Find Positive Rational Numbers
Positive rational numbers are (9/8) and (-19/-13).
Q9. Find Negative Rational Numbers
Negative rational numbers are (-3/7) and (9/-83).
Exercise 4.2
Q1. Make Denominator Positive
- (-15/-28) = 15/28
- (6/-9) = -6/9
- (-28/-11) = 28/11
- (19/-7) = -19/7
Q2. Make Numerator Specific
- (3/5) with numerator 6 = 6/10
- (3/5) with numerator -15 = -15/-25
- (3/5) with numerator 21 = 21/35
- (3/5) with numerator -27 = -27/-45
Q3. Make Denominator Specific
- (5/7) with denominator -14 = -10/-14
- (5/7) with denominator 70 = 50/70
- (5/7) with denominator -28 = -20/-28
- (5/7) with denominator -84 = -60/-84
Q4. Change Denominator
- (3/4) to denominator 20 = 15/20
- (3/4) to denominator 36 = 27/36
- (3/4) to denominator 44 = 33/44
- (3/4) to denominator -80 = -60/-80
Q5. Change Numerator
- (2/5) with numerator -56 = -56/-140
- (2/5) with numerator 154 = 154/385
- (2/5) with numerator -750 = -750/-1875
- (2/5) with numerator 500 = 500/1250
Q6. Simplify (-192/108)
- Numerator 64 = 64/-36
- Numerator -16 = -16/9
- Numerator 32 = 32/-18
- Numerator -48 = -48/27