I Multiply the following fractions 2-5- 51-4

Name: NCERT - Grade 07 - Mathematics - Fractions and Decimals - Q19_1
Uploaded: 2022-07-04T10:36:42+05:30
Description: 2/5× 51/4 = 2/5×21/4 = 2 × 21/5 × 4 = 1 × 21/5 × 2 = 21/10 = 21/10 ...

2/5× 51/4 = 2/5×21/4 = 2 × 21/5 × 4 = 1 × 21/5 × 2 = 21/10 = 21/10 ...

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Standard VII

Mathematics

Multiplication of Fractions

i Multiply th...

Question

Question 3 (i)
Multiply the following fractions
$\frac{2}{5} \times 5 \frac{1}{4}$

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Solution

$\frac{2}{5} \times 5 \frac{1}{4} = \frac{2}{5} \times \frac{21}{4} = \frac{2 \times 21}{5 \times 4} = \frac{1 \times 21}{5 \times 2} = \frac{21}{10} = 2 \frac{1}{10}$

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\frac{3}{2} \times 5 \frac{1}{3}

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3 \frac{4}{7} \times \frac{3}{5}

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Multiply the following fractions

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$3 \frac{2}{5} \times \frac{4}{7}$

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Multiplication of Fractions

Standard VII Mathematics

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Question 3 (i) Multiply the following fractions 25×514

25×514=25×214=2×215×4=1×215×2=2110=2110

Question 3 (i)
Multiply the following fractions
$\frac{2}{5} \times 5 \frac{1}{4}$

$\frac{2}{5} \times 5 \frac{1}{4} = \frac{2}{5} \times \frac{21}{4} = \frac{2 \times 21}{5 \times 4} = \frac{1 \times 21}{5 \times 2} = \frac{21}{10} = 2 \frac{1}{10}$