Answers

Subtract 80/60 from 18/50

1^st number: 18/50, 2^nd number: 1 20/60

18/50 - 80/60 is -73/75.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 50 × 6 = 300,
   18/50 = 18 × 6/50 × 6 = 108/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   80/60 = 80 × 5/60 × 5 = 400/300
4. Subtract the two like fractions:
   108/300 - 400/300 = 108 - 400/300 = -292/300
5. After reducing the fraction, the answer is -73/75

MathStep (Works offline)

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

Related: ³⁶/₅₀-⁸⁰/₆₀ ⁵⁴/₅₀-⁸⁰/₆₀ ⁹⁰/₅₀-⁸⁰/₆₀

Subtract Fractions Calculator