Answers

Compare 8/4 and 80/5

1^st number: 2 0/4, 2^nd number: 16 0/5

8/4 is smaller than 80/5

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 5 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   8/4 = 8 × 5/4 × 5 = 40/20
3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
   80/5 = 80 × 4/5 × 4 = 320/20
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 40/20 < 320/20 or 8/4 < 80/5

MathStep (Works offline)

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

Related: ¹⁶/₄ and ⁸⁰/₅ ⁸/₄ and ⁸⁰/₁₀ ²⁴/₄ and ⁸⁰/₅ ⁸/₁₂ and ⁸⁰/₅ ⁸/₄ and ⁸⁰/₁₅ ⁴⁰/₄ and ⁸⁰/₅ ⁸/₂₀ and ⁸⁰/₅ ⁸/₄ and ⁸⁰/₂₅ ⁵⁶/₄ and ⁸⁰/₅ ⁸/₂₈ and ⁸⁰/₅ ⁸/₄ and ⁸⁰/₃₅

Compare Fractions Calculator