Answers

Subtract 8/9 from 49/80

49/80 - 8/9 is -199/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 9 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   49/80 = 49 × 9/80 × 9 = 441/720
3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
   8/9 = 8 × 80/9 × 80 = 640/720
4. Subtract the two like fractions:
   441/720 - 640/720 = 441 - 640/720 = -199/720

MathStep (Works offline)

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

Related: ⁹⁸/₈₀-⁸/₉ ⁴⁹/₈₀-¹⁶/₉ ⁴⁹/₈₀-⁸/₁₈ ⁴⁹/₈₀-²⁴/₉ ⁴⁹/₈₀-⁸/₂₇ ⁴⁹/₈₀-⁴⁰/₉ ⁴⁹/₈₀-⁸/₄₅ ⁴⁹/₈₀-⁵⁶/₉ ⁴⁹/₈₀-⁸/₆₃

Subtract Fractions Calculator