Mathematics is full of little tricks that make calculations and problem solving easier for us. A very important trick when working with fractions is that all integers can be written as fractions by putting the number 1 in the denominator. You already know that a number divided by 1 is the number itself.
Any number becomes a fraction when you divide it by 1.
Note! A fraction is reduced when the numerator and denominator no longer have any common factors other than 1.
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