Answer:
Fractions, Decimals, Percentage is useful when the value isnt a whole number. It shows in the first picture that fractions is needed for cooking to have an accurate amount of ingredients. Decimals is important as shown in the 2nd picture. We use decimals when the value are not exact like time, measurement of ruler or, prices. You can use percentage when you are showing statistics or large amount of quantities to make it clean and you can use it when you are comparing to many things
