AsAPercent

Enter a fraction: /


Simplify
21
42


21
42
=
21÷3
42÷3
=
7
14

7÷7
14÷7
=
1
2


or

21
42
=
3 × 7
2 × 3 × 7
=
3 × 7
2 × 3 × 7
=
1
2

or

Common Divisors for 21 and 42 are: 3 and 7

Greatest Common Divisor = 3 × 7 = 21

21÷21
42÷21
=
1
2


See 1/2 as a percent

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