5/10 = 1/2 write the proportion as ratios 5:10 = 1: 2
5/10 = 10/20 or 5:10 = 10:20
5/10 = 15/30 or 5:10 = 15:30
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There are two fifths in four tenths.
if you give 3/5 and 2/3 common denominators then they are 9/15 and 10/15 respectively. so, no.
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80*9= 720
If and when two parallelograms are similar, you know that the ratio of two side lengths within one parallelogram will describe the relationship between the corresponding side lengths in a similar parallelogram. If and when two parallelograms are similar, you know that the ratio of corresponding side lengths in the other parallelogram will give you the scale factor that relates each side length in one parallelogram to the corresponding side length in a similar parallelogram.