Petroleum fractions are components of crude oil that have been separated through a process called fractional distillation. During this process, crude oil is heated to high temperatures, causing it to vaporize. The different components of the crude oil vaporize at different temperatures, allowing them to be separated into fractions such as gasoline, diesel, and kerosene based on their boiling points. These fractions are then further refined to produce various petroleum products used in industries such as transportation, manufacturing, and energy production.
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Petroleum fractions are the useful substances that make up petroleum. Petrolium itself is not very useful, but the fuels, raw materials, and oil that are part of it are used all the time.
Every fraction is an equivalent fraction: each fraction in decimal form has an equivalent rational fraction as well as an equivalent percentage fraction.
A fraction that has a different sign to the first fraction.
Divide the fraction by 100, and you will get the percentage of a fraction.
Or both. That's a complex fraction.
The number below the fraction bar in a fraction is the denominator. The number above the fraction bar is the numerator.