Answers

Subtract 80/63 from 3/98

1^st number: 3/98, 2^nd number: 1 17/63

3/98 - 80/63 is -1093/882.

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,
   3/98 = 3 × 9/98 × 9 = 27/882
3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
   80/63 = 80 × 14/63 × 14 = 1120/882
4. Subtract the two like fractions:
   27/882 - 1120/882 = 27 - 1120/882 = -1093/882

MathStep (Works offline)

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

Related: ⁶/₉₈-⁸⁰/₆₃ ⁹/₉₈-⁸⁰/₆₃ ¹⁵/₉₈-⁸⁰/₆₃ ²¹/₉₈-⁸⁰/₆₃

Subtract Fractions Calculator