Same rules as adding whole numbers with different signs.
how you compare decimals and percents, is by the signs. a decimal looks like this: 0.0 and a percent looks like this: %
fist then the kick then the uppercut
By using greater than (x>y) or less than (x<y) signs.
Two of them are terminating decimals and recurring decimals
terminating decimals non terminating decimals repeating decimals non repeating decimals
6.7,6.8,6.4,5.9
The answer depends on what you wish to do with decimals.
Terminating decimals are decimals that end, such as, 2.384. Non-terminating decimals that don't end, such as, 0.3333333333.......
3rd. Adding Decimals 5th - Adding and subtracting 6th - Dividing Decimals
You need decimals when you measure and fractions. You need decimals, because to measure and fractions. Also, so whole numbers could exist if there are decimals. There will be no math if there's no decimals.
terminating decimals repeating decimals