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Working with Fractions Class 7 Notes Maths Chapter 8

July 21, 2026 by Prasanna Leave a Comment

Well-organized RBSE Class 7 Maths Notes and Chapter 8 Working with Fractions Notes Class 7 make learning formulas much easier.

Class 7 Maths Chapter 8 Working with Fractions Notes

Class 7 Working with Fractions Notes

→ When multiplying fractions, if the numerators and denominators have some common factors, we can cancel them first before multiplying the numerators and denominators.

→ The reciprocal of a fraction \(\frac{a}{b}\) is \(\frac{b}{a}\) When we multiply a fraction by its reciprocal, the product is 1.

→ When two fractional units are multiplied, their product is \(\frac{1}{\text { (Product of denominators) }}\)
\(\frac{1}{b} \times \frac{1}{d}=\frac{1}{b \times d}\)

→ Brahmagupta’s formula for multiplication of fractions: \(\frac{a}{b} \times \frac{c}{d}=\frac{a \times c}{b \times d}\)

→ Brahmagupta’s formula for division of fractions: \(\frac{a}{b} \div \frac{c}{d}=\frac{a}{b} \times \frac{d}{c}=\frac{a \times d}{b \times c} .\)

→ In multiplication, when both numbers being multiplied are greater than 1, the product is greater than both numbers.

→ In multiplication, when both numbers being multiplied are between 0 and 1, the product is smaller than both numbers.

→ In multiplication, when one number being multiplied is between 0 and 1 and the other number is greater than 1, the product is smaller than the number greater than 1 and greater than the number between 0 and 1.

→ In division – when the divisor is between 0 and 1, the quotient is greater than the dividend. When the divisor is greater than 1, the quotient is less than the dividend.

Class 7 Maths Chapter 8 Notes in Hindi भिन्नों के साथ कार्य करना

भिन्नों के साथ कार्य करना कक्षा 7 नोट्स

→ भिन्नों को गुणा करते समय यदि अंश और हर में कोई उभयनिष्ठ गुणनखंड हो तो हम अंश और हर को गुणा करने से पहले उन्हें काट सकते हैं ।

→ भिन्न \(\frac{a}{b}\) का व्युत्क्रम \(\frac{b}{a}\) होता है । जब हम भिन्न को उसके व्युत्क्रम से गुणा करते हैं तो गुणनफल 1 प्राप्त होता है

→ जब दो भिन्नात्मक इकाइयों को गुणा किया जाता है तो उनका गुणनफल Working with Fractions Class 7 Notes Maths Chapter 8-1 होता है
\(\frac{1}{b} \times \frac{1}{d}=\frac{1}{b \times d}\)

→ भिन्नों के गुणन के लिए ब्रह्मगुप्त का सूत्र
\(\frac{a}{b} \times \frac{c}{d}=\frac{a \times c}{b \times d}\)

→ भिन्नों के विभाजन के लिए ब्रह्मगुप्त का सूत्र
\(\frac{a}{b} \div \frac{c}{d}=\frac{a}{b} \times \frac{d}{c}=\frac{a \times d}{b \times c}\)

→ गुणन में जब गुणा की जाने वाली दोनों संख्याएँ 1 से बड़ी हों, तो गुणनफल दोनों संख्याओं से बड़ा होता है।

→ गुणन में जब गुणा की जाने वाली दोनों संख्याएँ 0 और 1 के बीच में हों, तो गुणनफल दोनों संख्याओं से छोटा होता है ।

→ गुणन में जब गुणा की जाने वाली एक संख्या 0 और 1 के बीच तथा दूसरी संख्या 1 से बड़ी हो, तो गुणनफल 1 से बड़ी संख्या से छोटा और 0 व 1 के बीच की संख्या से बड़ा होता है ।

→ विभाजन में जब भाजक 0 और 1 के बीच होता है तो भागफल, भाज्य से बड़ा होता है । जब भाजक 1 से बड़ा होता है तो भागफल, भाज्य से छोटा होता है।

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