A third of a unit is required to complete it. Three-thirds is expressed as 3/3 in fraction form, which literally means three divided by three, which is then simplified to one. A fraction is a portion of a whole, and a whole is the number one.
Any number multiplied by itself equals one. Using this formula, two-thirds equals a whole, four-fourths equals a whole, ten-tenths equals a whole, and so on. In practise, it takes three thirds of a cup to produce one cup, three thirds of a tablespoon to make one tablespoon, and three thirds of an inch to make one inch.
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