By Mdm Yvonne Ong. Jane has 30 fish. Amy has 24 fish. Express the number of fish Jane has as a fraction to the number of fish Amy has. J A = 30 24 = 5.

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Presentation transcript:

By Mdm Yvonne Ong

Jane has 30 fish. Amy has 24 fish. Express the number of fish Jane has as a fraction to the number of fish Amy has. J A = = 5 4

Jane has 30 fish. Amy has 24 fish. What fraction of the number of fish Jane has is the number of fish Amy has? A J = = 4 5

Merging Ratio Red : Blue 5 : 2 Blue : Green 3 : 5 Make the units of the blue beads the same for the 2 ratios. Common multiple for 2 and 3 is 6. x3 x2 15 : 6 : 10 a) The ratio is 15:6:10 Ans: a) 15:6:10

Ratio unchanged Red : Blue : Green 2/3 of the remaining counters 2/3 of remaining is 16 units. b) 432 counters were left Ans: b) 432 counters 15 : 6 : 10 1/3 of remaining is 16 ÷ 2 = 8 units 8 : 6 : – 8 = 7 7 units  units  126 ÷ 7 = = units  24 x 18= 432