Answers

Subtract 8/4 from 6/45

1^st number: 6/45, 2^nd number: 2 0/4

6/45 - 8/4 is -28/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   6/45 = 6 × 4/45 × 4 = 24/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   8/4 = 8 × 45/4 × 45 = 360/180
4. Subtract the two like fractions:
   24/180 - 360/180 = 24 - 360/180 = -336/180
5. After reducing the fraction, the answer is -28/15

MathStep (Works offline)

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

Related: ¹²/₄₅-⁸/₄ ⁶/₄₅-¹⁶/₄ ⁶/₉₀-⁸/₄ ¹⁸/₄₅-⁸/₄ ⁶/₄₅-²⁴/₄ ⁶/₄₅-⁸/₁₂ ³⁰/₄₅-⁸/₄ ⁶/₄₅-⁴⁰/₄ ⁶/₄₅-⁸/₂₀ ⁴²/₄₅-⁸/₄ ⁶/₄₅-⁵⁶/₄ ⁶/₄₅-⁸/₂₈

Subtract Fractions Calculator