1.6 Ratio and Proportion

Simplify the following ratios to their lowest form.

1.

$4:100$
$1:25$

2.

$9:30$
$3:10$

3.

$20:50$
$2:5$

4.

$6:18$
$1:3$

5.

$25:45$
$5:9$

6.

$8:48$
$1:6$

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