Ex 7.3, 3 - Chapter 7 Class 6 Fractions
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Ex 7.3 ,3 Replace "⎕" in each of the following by the correct number : (a) 2/7 = 8/"⎕" 2/7 = 8/"⎕" Cross multiplying 2 × "⎕" = 7 × 8 "⎕" = (7 × 8)/2 "⎕" = 7 × 4 "⎕" = 28 So, 2/7 = 8/𝟐𝟖 Ex 7.3 ,3 Replace "⎕" in each of the following by the correct number : (b) 5/8 = 10/"⎕" 5/8 = 10/"⎕" Cross multiplying 5 × "⎕" = 8 × 10 "⎕" = (8 ×10)/5 "⎕" = 8 × 2 "⎕" = 16 So, 5/8 = 10/𝟏𝟔 Ex 7.3 ,3 Replace "⎕" in each of the following by the correct number : (c) 3/5 = "⎕" /20 3/5 = "⎕" /20 Cross multiplying 20 × 3 = "⎕" × 5 5 × "⎕" = 3 × 20 "⎕" = (20 × 3)/5 "⎕" = 4 × 3 "⎕" = 12 Ex 7.3 ,3 Replace "⎕" in each of the following by the correct number : (d) 45/60 = 15/"⎕" 45/60 = 15/"⎕" Cross multiplying 45 × ⎕ = 15 × 60 "⎕" = (15 × 60)/45 "⎕" = 60/3 "⎕" = 20 Ex 7.3 ,3 Replace "⎕" in each of the following by the correct number : (e) 18/24= "⎕" /4 18/24 = "⎕" /4 Cross multiplying 18 × 4 = "⎕" × 24 "⎕" = (18 × 4)/24 "⎕" = 18/6 "⎕" = 9/3 "⎕" = 3
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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 and Computer Science at Teachoo