1) 4/5= (4*4)/(5*4)= 16/20
2) 1.25= 5/4 = (5*3)/(4*3)= 15/12
3) 45/135= (9*5)/(27*5)= 9/27
4) 0.85= 17/20
5) 17/6 = 2 + (5/6)
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1) 4/5= (4*4)/(5*4)= 16/20
2) 1.25= 5/4 = (5*3)/(4*3)= 15/12
3) 45/135= (9*5)/(27*5)= 9/27
4) 0.85= 17/20
5) 17/6 = 2 + (5/6)