Answers

Subtract 96/18 from 45/20

1^st number: 2 5/20, 2^nd number: 5 6/18

45/20 - 96/18 is -37/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 18 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   45/20 = 45 × 9/20 × 9 = 405/180
3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
   96/18 = 96 × 10/18 × 10 = 960/180
4. Subtract the two like fractions:
   405/180 - 960/180 = 405 - 960/180 = -555/180
5. After reducing the fraction, the answer is -37/12

MathStep (Works offline)

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

Related: ⁹⁰/₂₀-⁹⁶/₁₈ ⁴⁵/₄₀-⁹⁶/₁₈ ⁴⁵/₂₀-⁹⁶/₃₆ ⁴⁵/₆₀-⁹⁶/₁₈ ⁴⁵/₂₀-⁹⁶/₅₄ ⁴⁵/₂₀-⁹⁶/₉₀

Subtract Fractions Calculator