Express each ratio in lowest term.

15/25 =
42/63 =
54/99 =
12/32 =

Write P if the ratio is a Proportion and NP if not.

1.)64:12 and 80:15___
2.)3:7 and 24:56____
3.)6:7 and 75:100____
4.)9:12 and 27:32____
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