Answers

Subtract 45/16 from 5/80

1^st number: 5/80, 2^nd number: 2 13/16

5/80 - 45/16 is -11/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   5/80 = 5 × 1/80 × 1 = 5/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   45/16 = 45 × 5/16 × 5 = 225/80
4. Subtract the two like fractions:
   5/80 - 225/80 = 5 - 225/80 = -220/80
5. After reducing the fraction, the answer is -11/4

MathStep (Works offline)

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

Related: ¹⁰/₈₀-⁴⁵/₁₆ ⁵/₈₀-⁹⁰/₁₆ ⁵/₈₀-⁴⁵/₃₂ ¹⁵/₈₀-⁴⁵/₁₆ ⁵/₈₀-⁴⁵/₄₈ ²⁵/₈₀-⁴⁵/₁₆ ⁵/₈₀-⁴⁵/₈₀ ³⁵/₈₀-⁴⁵/₁₆

Subtract Fractions Calculator