Answers

Subtract 40/63 from 14/80

14/80 - 40/63 is -1159/2520.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 63 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 80 × 63 = 5040,
   14/80 = 14 × 63/80 × 63 = 882/5040
3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
   40/63 = 40 × 80/63 × 80 = 3200/5040
4. Subtract the two like fractions:
   882/5040 - 3200/5040 = 882 - 3200/5040 = -2318/5040
5. After reducing the fraction, the answer is -1159/2520

MathStep (Works offline)

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

Related: ²⁸/₈₀-⁴⁰/₆₃ ¹⁴/₈₀-⁸⁰/₆₃ ⁴²/₈₀-⁴⁰/₆₃ ⁷⁰/₈₀-⁴⁰/₆₃ ⁹⁸/₈₀-⁴⁰/₆₃

Subtract Fractions Calculator