Answers

Subtract 1/24 from 21/63

21/63 - 1/24 is 7/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 24 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   21/63 = 21 × 8/63 × 8 = 168/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   1/24 = 1 × 21/24 × 21 = 21/504
4. Subtract the two like fractions:
   168/504 - 21/504 = 168 - 21/504 = 147/504
5. After reducing the fraction, the answer is 7/24

MathStep (Works offline)

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

Related: ⁴²/₆₃-¹/₂₄ ²¹/₆₃-²/₂₄ ²¹/₆₃-¹/₄₈ ²¹/₆₃-³/₂₄ ²¹/₆₃-¹/₇₂ ²¹/₆₃-⁵/₂₄ ²¹/₆₃-⁷/₂₄

Subtract Fractions Calculator