Answers

Subtract 30/90 from 30/6

1^st number: 5 0/6, 2^nd number: 30/90

30/6 - 30/90 is 14/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 6 × 15 = 90,
   30/6 = 30 × 15/6 × 15 = 450/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   30/90 = 30 × 1/90 × 1 = 30/90
4. Subtract the two like fractions:
   450/90 - 30/90 = 450 - 30/90 = 420/90
5. After reducing the fraction, the answer is 14/3
6. In mixed form: 42/3

MathStep (Works offline)

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

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

Subtract Fractions Calculator