Answers

Subtract 30/60 from 30/75

30/75 - 30/60 is -1/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   30/75 = 30 × 4/75 × 4 = 120/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   30/60 = 30 × 5/60 × 5 = 150/300
4. Subtract the two like fractions:
   120/300 - 150/300 = 120 - 150/300 = -30/300
5. After reducing the fraction, the answer is -1/10

MathStep (Works offline)

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

Related: ⁶⁰/₇₅-³⁰/₆₀ ⁹⁰/₇₅-³⁰/₆₀ ³⁰/₇₅-⁹⁰/₆₀

Subtract Fractions Calculator