Multiplying Fractions Video Lecture - (Ganita Prakash) Class 7 - New NCERT

FAQs on Multiplying Fractions

1. How do you multiply two fractions?
Ans.To multiply two fractions, you simply multiply the numerators (the top numbers) together and the denominators (the bottom numbers) together. For example, if you multiply 1/2 by 3/4, you multiply 1 by 3 to get 3, and 2 by 4 to get 8. So, 1/2 multiplied by 3/4 equals 3/8.
2. Can you simplify fractions after multiplying?
Ans.Yes, you can simplify fractions after multiplying. If the resulting fraction can be reduced to a simpler form, you should do so. For instance, if you multiply 2/3 by 4/6, you get 8/18, which can be simplified to 4/9 by dividing both the numerator and the denominator by 2.
3. What happens when you multiply a fraction by a whole number?
Ans.When you multiply a fraction by a whole number, you multiply the numerator of the fraction by the whole number while keeping the denominator the same. For example, if you multiply 3/5 by 2, you multiply 3 by 2 to get 6, resulting in 6/5 or 1 1/5 when expressed as a mixed number.
4. How do you multiply mixed numbers?
Ans.To multiply mixed numbers, first convert them into improper fractions. For example, to multiply 1 1/2 by 2 2/3, convert them to improper fractions: 1 1/2 becomes 3/2 and 2 2/3 becomes 8/3. Then multiply the fractions: (3/2) * (8/3) = 24/6, which simplifies to 4.
5. Why is it important to understand how to multiply fractions?
Ans.Understanding how to multiply fractions is essential because it helps in various real-life applications, such as cooking, budgeting, and measuring. It is also a fundamental skill in mathematics that builds the foundation for more complex concepts, including algebra and geometry.
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