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Ratio

9:21

  • Ratio
  • 2 parts
  • 3:7

The ratio 9:21 divides a whole into 30 parts. Part 1 takes 30%, Part 2 takes 70%. In its simplest form it is 3:7.

The ratio

Ratio9:21
Simplified3:7
Total parts30
Part 1 share30%9 of 30
Part 2 share70%21 of 30
As a fraction9/21
As a decimal0.42857143

Scaled to a total

Sharing 103 : 7
Sharing 10030 : 70
Sharing 360108 : 252
Sharing 1,000300 : 700

Equivalent ratios

× 218:42
× 327:63
× 436:84
× 545:105
× 1090:210

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Every value on this page was computed from “9 to 21” by Nerdulator’s maths engine. Nothing here was retrieved from a database of answers or written by a model.