Decimals are converted into fractions. Decimals are directly converted into molecules. The denominator corresponding to a decimal place is 10. Similarly, the denominator corresponding to the two decimal places is 100, and the denominator corresponding to the three decimal places is 1000. And so on. .

Give a few examples.

0.2=2/ 10= 1/5

0.25=25/ 100= 1/4

0. 125= 125/ 1000= 1/8

1.2= 12/ 10=6/5