The simplest form of 21/6 is 7/2.
Steps to simplifying fractions
- Find the GCD (or HCF) of numerator and denominator
GCD of 21 and 6 is 3 - Divide both the numerator and denominator by the GCD
21 ÷ 3/6 ÷ 3 - Reduced fraction: 7/2
Therefore, 21/6 simplified to lowest terms is 7/2.
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Equivalent fractions: 42/12 63/18 7/2 105/30 147/42
More fractions: 42/6 21/12 63/6 21/18 22/6 21/720/6 21/5