Answers

Subtract 6/9 from 6/8

6/8 - 6/9 is 1/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 9 is 72
2. For the 1st fraction, since 8 × 9 = 72,
   6/8 = 6 × 9/8 × 9 = 54/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   6/9 = 6 × 8/9 × 8 = 48/72
4. Subtract the two fractions:
   54/72 - 48/72 = 54 - 48/72 = 6/72
5. After reducing the fraction, the answer is 1/12

MathStep (Works offline)

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

Related: ¹²/₈-⁶/₉ ⁶/₈-¹²/₉ ⁶/₁₆-⁶/₉ ⁶/₈-⁶/₁₈ ¹⁸/₈-⁶/₉ ⁶/₈-¹⁸/₉ ⁶/₂₄-⁶/₉ ⁶/₈-⁶/₂₇ ³⁰/₈-⁶/₉ ⁶/₈-³⁰/₉ ⁶/₄₀-⁶/₉ ⁶/₈-⁶/₄₅ ⁴²/₈-⁶/₉ ⁶/₈-⁴²/₉ ⁶/₅₆-⁶/₉ ⁶/₈-⁶/₆₃

Subtract Fractions Calculator