A.1/3×4/5:16/9: B2 2/3:4/9×1 6/9

a. 1/3 x 4/5 : 16/9 = 1/3 x 4/5 x 9/16 = 3/20

b. 2 2/3 : 4/9 x 1 6/9 = 8/3 : 4/9 x 16/9 = 3/8 x 4/9 x 16/9 = 8/18

Answer:
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A. 1/3×4/5:16/9

1/3×4/5 x 9/16

1x4x9 / 3x5x16

36/240 disederhanakan : 12

= 3/20 pecahan biasa

= 0,15 pecahan desimal
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B. 2 2/3:4/9 x 1 6/9

8/3 : 4/9 x 1 2/3

8/3 : 4/9 x 5/3

8/3 x 9/4 x 5/3

8x9x5 / 3x4x3

360/36

= 10

*Terima kasih*