Answers

Subtract 18/98 from 27/20

1^st number: 1 7/20, 2^nd number: 18/98

27/20 - 18/98 is 1143/980.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 98 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   27/20 = 27 × 49/20 × 49 = 1323/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   18/98 = 18 × 10/98 × 10 = 180/980
4. Subtract the two like fractions:
   1323/980 - 180/980 = 1323 - 180/980 = 1143/980
5. In mixed form: 1163/980

MathStep (Works offline)

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

Related: ⁵⁴/₂₀-¹⁸/₉₈ ²⁷/₂₀-³⁶/₉₈ ²⁷/₄₀-¹⁸/₉₈ ⁸¹/₂₀-¹⁸/₉₈ ²⁷/₂₀-⁵⁴/₉₈ ²⁷/₆₀-¹⁸/₉₈ ²⁷/₂₀-⁹⁰/₉₈

Subtract Fractions Calculator