To reduce a fraction to lowest terms (also called its simplest form), just divide both the numerator and denominator by the GCD (Greatest Common Divisor).įor example, 3/4 is in lowest form, but 6/8 is not in lowest form (the GCD of 6 and 8 is 2) and 6/8 can be written as 3/4. This is a PROPER FRACTION once the absolute value of the top number or numerator (3) is smaller than the absolute value of the bottom number or denomintor (7). No further reduction is possible, so 42/98 is equal to 3/7 when reduced to its lowest terms. In the fraction 3/7, 3 is only divisible by itself, and 7 is not divisible by other numbers than itself and 1, so the fraction has been simplified as much as possible. For example, Simplify the fraction 42/98įirst divide both (numerator/denominator) by 2 to get 21/49.ĭivide both numerator and denominator by 7 to get 3/7. Begin dividing by small numbers like 2, 3, 5, 7. Start by dividing both the numerator and the denomiator of the fraction by the same number, and repeat this until it is impossible to divide. Among different ways simplifying a fraction, we will show the two procedure below: Method 1 - Divide by a Small Number When Possible
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