Answers

Subtract 75/20 from 20/98

1^st number: 20/98, 2^nd number: 3 15/20

20/98 - 75/20 is -695/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 98 × 10 = 980,
   20/98 = 20 × 10/98 × 10 = 200/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   75/20 = 75 × 49/20 × 49 = 3675/980
4. Subtract the two like fractions:
   200/980 - 3675/980 = 200 - 3675/980 = -3475/980
5. After reducing the fraction, the answer is -695/196

MathStep (Works offline)

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

Related: ⁴⁰/₉₈-⁷⁵/₂₀ ²⁰/₉₈-⁷⁵/₄₀ ⁶⁰/₉₈-⁷⁵/₂₀ ²⁰/₉₈-⁷⁵/₆₀

Subtract Fractions Calculator