Answers

Subtract 63/4 from 21/32

1^st number: 21/32, 2^nd number: 15 3/4

21/32 - 63/4 is -483/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 4 is 32
   
   Next, find the equivalent fraction of both fractional numbers with denominator 32
2. For the 1st fraction, since 32 × 1 = 32,
   21/32 = 21 × 1/32 × 1 = 21/32
3. Likewise, for the 2nd fraction, since 4 × 8 = 32,
   63/4 = 63 × 8/4 × 8 = 504/32
4. Subtract the two like fractions:
   21/32 - 504/32 = 21 - 504/32 = -483/32

MathStep (Works offline)

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

Related: ⁴²/₃₂-⁶³/₄ ²¹/₆₄-⁶³/₄ ²¹/₃₂-⁶³/₈ ⁶³/₃₂-⁶³/₄ ²¹/₉₆-⁶³/₄ ²¹/₃₂-⁶³/₁₂ ²¹/₃₂-⁶³/₂₀ ²¹/₃₂-⁶³/₂₈

Subtract Fractions Calculator