Answers

Subtract 49/63 from 28/98

28/98 - 49/63 is -31/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 63 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   28/98 = 28 × 9/98 × 9 = 252/882
3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
   49/63 = 49 × 14/63 × 14 = 686/882
4. Subtract the two like fractions:
   252/882 - 686/882 = 252 - 686/882 = -434/882
5. After reducing the fraction, the answer is -31/63

MathStep (Works offline)

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

Related: ⁵⁶/₉₈-⁴⁹/₆₃ ²⁸/₉₈-⁹⁸/₆₃ ⁸⁴/₉₈-⁴⁹/₆₃

Subtract Fractions Calculator