In this rectangle, 3 tenths are shaded green, 6 tenths are shaded yellow and one tenth red.
There are other ways to write these fractions using equivalent fractions, decimals or percentages.
Look at this table...
If we remember that the columns after the decimal point are tenths, hundredths and thousandths, this will help us convert fractions to decimals:
2/10 = 0.2
5/100 = 0.05
8/1000 = 0.008
Percentage is out of 100:
3/10 = 30/100 = 30%
0.7 = 7/10 = 70/100 = 70%