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Multiplication of Fractions

Last updated at March 18, 2019 by

Let’s do this by examples.

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2/3 Γ— 4

= (2 Γ— 4)/3

= 8/3

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9 / 8 Γ— 2

= (9 Γ— 2)/8

= 9/4

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2/3 Γ— 5/4

= (2 Γ— 5)/(3 Γ— 5)

= 10/12

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4 Γ— 3 2 / 7

= 4 Γ— (3+2/7)

= 4 Γ— ((3 Γ— 7 + 2)/7)

= 4 Γ— ((21 + 2)/7)

= 4 Γ— 23/7

= (23 Γ— 4)/7

= 92/7

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7/2 Γ— 4 3/5

= 7/2 Γ— (4+3/5)

= 7/2 Γ— ((4 Γ— 5 + 3)/5)

= 7/2 Γ— ((20 + 3)/5)

= 7/2 Γ— 23/5

= (7 Γ— 23)/(2 Γ— 5)

= 161/10

Multiplication of Fractions - Part 2

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Transcript

Multiplication of Fractions Let’s do this by examples. 𝟐/πŸ‘ Γ— 4 = (2 Γ— 4)/3 = 8/3 πŸ—/πŸ– Γ— 2 = (9 Γ— 2)/8 = 9/4 𝟐/πŸ‘ Γ— πŸ“/πŸ’ = (2 Γ— 5)/(3 Γ— 5) = 10/12 4 Γ— 3 𝟐/πŸ• = 4 Γ— (3+2/7) = 4 Γ— ((3 Γ— 7 + 2)/7) = 4 Γ— ((21 + 2)/7) = 4 Γ— 23/7 = (23 Γ— 4)/7 πŸ•/𝟐 Γ— 4 πŸ‘/πŸ“ = 7/2 Γ— (4+3/5) = 7/2 Γ— ((4 Γ— 5 + 3)/5) = 7/2 Γ— ((20 + 3)/5) = 7/2 Γ— 23/5 = (7 Γ— 23)/(2 Γ— 5) = 161/10

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.