Answers

Subtract 15/40 from 4/32

4/32 - 15/40 is -1/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 40 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 32 × 5 = 160,
   4/32 = 4 × 5/32 × 5 = 20/160
3. Likewise, for the 2nd fraction, since 40 × 4 = 160,
   15/40 = 15 × 4/40 × 4 = 60/160
4. Subtract the two like fractions:
   20/160 - 60/160 = 20 - 60/160 = -40/160
5. After reducing the fraction, the answer is -1/4

MathStep (Works offline)

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

Related: ⁸/₃₂-¹⁵/₄₀ ⁴/₃₂-³⁰/₄₀ ⁴/₆₄-¹⁵/₄₀ ⁴/₃₂-¹⁵/₈₀ ¹²/₃₂-¹⁵/₄₀ ⁴/₃₂-⁴⁵/₄₀ ⁴/₉₆-¹⁵/₄₀ ²⁰/₃₂-¹⁵/₄₀ ⁴/₃₂-⁷⁵/₄₀ ²⁸/₃₂-¹⁵/₄₀

Subtract Fractions Calculator