Reduce 644/21 to lowest terms
The simplest form of 64421 is 923.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 644 and 21 is 7 - Divide both the numerator and denominator by the GCD
644 ÷ 721 ÷ 7 - Reduced fraction: 923
Therefore, 644/21 simplified to lowest terms is 92/3.
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Equivalent fractions: 1288/42 1932/63 3220/105 4508/147 92/3
More fractions: 1288/21 644/42 1932/21 644/63 645/21 644/22643/21 644/20