Answers

Subtract 9/63 from 21/63

21/63 - 9/63 is 4/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   21/63 - 9/63 = 21 - 9/63 = 12/63
2. After reducing the fraction, the answer is 4/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁴²/₆₃-⁹/₆₃ ²¹/₆₃-¹⁸/₆₃ ²¹/₆₃-²⁷/₆₃ ²¹/₆₃-⁴⁵/₆₃

Subtract Fractions Calculator