Answers

Subtract 30/6 from 30/45

1^st number: 30/45, 2^nd number: 5 0/6

30/45 - 30/6 is -13/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 6 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   30/45 = 30 × 2/45 × 2 = 60/90
3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
   30/6 = 30 × 15/6 × 15 = 450/90
4. Subtract the two like fractions:
   60/90 - 450/90 = 60 - 450/90 = -390/90
5. After reducing the fraction, the answer is -13/3

MathStep (Works offline)

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

Related: ⁶⁰/₄₅-³⁰/₆ ³⁰/₄₅-⁶⁰/₆ ³⁰/₉₀-³⁰/₆ ³⁰/₄₅-³⁰/₁₂ ⁹⁰/₄₅-³⁰/₆ ³⁰/₄₅-⁹⁰/₆ ³⁰/₄₅-³⁰/₁₈ ³⁰/₄₅-³⁰/₄₂

Subtract Fractions Calculator