Let’s do this by examples.

 

2/3 × 4

= (2 × 4)/3

= 8/3

 

9 / 8 × 2

= (9 × 2)/8

= 9/4

 

2/3 × 5/4

= (2 × 5)/(3 × 5)

= 10/12

 

4 × 3 2 / 7

= 4 × (3+2/7)

= 4 × ((3 × 7 + 2)/7)

= 4 × ((21 + 2)/7)

= 4 × 23/7

= (23 × 4)/7

= 92/7

1.jpg

 

7/2 × 4 3/5

= 7/2 × (4+3/5)

= 7/2 × ((4 × 5 + 3)/5)

= 7/2 × ((20 + 3)/5)

= 7/2 × 23/5

= (7 × 23)/(2 × 5)

= 161/10

Multiplication of Fractions - Part 2

 


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

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.