21 over 40 is irreducible as a fraction expression.
21 over 40 is 0.525 as a decimal expression.
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525/1000 = 21/40
If you divide both the numerator and denominator by 25, you get 21/40.
It can be simplified to a mixed fraction of 1 and 3 over 40. 1 3/40
32 over 21 (32/21) cannot be further simplified.
Already simplified!