# Come si converte 0.23 (3 ripetendo) come una frazione?

7/30

#### Spiegazione:

0.23 con i 3 repeating can be written as 0.2dot3, where the dot on top of the 3 means a repeating number or pattern of numbers.

x = 0.2dot3

10x = 2.dot3

100x=23.dot3

90x = 100x - 10x

90x = 23.dot3 - 2.dot3

90x = 23 - 2 = 21

90x = 21

x = 21/90

= 7/30