Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

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What is 27 over 64 as a decimal? What is 27 / 64 reduced? This easy and mobile-friendly calculator will reduce any fraction and express it in decimal form. Just type into any box and hit the calculate button.

27/64 is equal to 0.421875 in decimal form. Use our fraction to decimal calculator to convert any fraction to a decimal and to know if it is a terminating or a recurring (repeating) decimal.

Simplifying a fraction, (e.g. 27/64) means reducing it to its simplest form. A fraction is considered simplified if its numerator and denominator have no common factors other than 1 (one).

In this really simple guide, we'll teach you exactly how to simplify 27/64 and convert it to the lowest form (this is sometimes calling reducing a fraction to the lowest terms).

Read on to view the stepwise instructions to simplify fractional numbers.