Answers

Subtract 49/96 from 40/84

40/84 - 49/96 is -23/672.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 96 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 84 × 8 = 672,
   40/84 = 40 × 8/84 × 8 = 320/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   49/96 = 49 × 7/96 × 7 = 343/672
4. Subtract the two like fractions:
   320/672 - 343/672 = 320 - 343/672 = -23/672

MathStep (Works offline)

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

Related: ⁸⁰/₈₄-⁴⁹/₉₆ ⁴⁰/₈₄-⁹⁸/₉₆

Subtract Fractions Calculator