18/21 Simplified
What is 18/21 Simplified?
6/7 is the simplified fraction of 18/21.
Simplifying Fraction 18/21 using GCF
The first way to simplify the fraction 18/21 is to use the Greatest Common Factor (GCF) of our numerator [18] and denominator [21].
GCF of 18 and 21 is 3
And then divide both the numerator [18] and denominator [21] by the GCF [3].
Simplifying Fraction 18/21 using Prime Factors
Another method to reduce the fraction 18/21 to its simplest form is to use the Prime Factors of numerator [18] and denominator [21].
Prime Factors of 18: 2,3,3
Prime Factors of 21: 3,7
Now we can write down a new fraction expressed by its Prime Factors and cancel common factors in numerator and denominator:
Simplifying Fraction 18/21 by Dividing by the Smallest Possible Number
In order to simplify our fraction we can start dividing both the numerator [18] and denominator [21] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.
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See Also
- Fraction to Decimal Converter - Convert Fraction to Decimal
- Fraction Comparison Calculator - Compare two fractions and find out which is larger
- Fraction to Mixed Number Converter - Convert an Improper Fraction to a Mixed Number
- Percent to Fraction Converter - Convert Percents to Fraction