21.521 as a fraction - solution and the full explanation with calculations.
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What is 21.521 as a fraction?
To write 21.521 as a fraction you have to write 21.521 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number. 21.521 = 21.521/1 = 215.21/10 = 2152.1/100 = 21521/1000
And finally we have: 21.521 as a fraction equals 21521/1000