Answers

Compare 40/5 and 28/9

1^st number: 8 0/5, 2^nd number: 3 1/9

40/5 is greater than 28/9

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 9 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 5 × 9 = 45,
   40/5 = 40 × 9/5 × 9 = 360/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
   28/9 = 28 × 5/9 × 5 = 140/45
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 360/45 > 140/45 or 40/5 > 28/9

MathStep (Works offline)

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

Related: ⁸⁰/₅ and ²⁸/₉ ⁴⁰/₅ and ⁵⁶/₉ ⁴⁰/₁₀ and ²⁸/₉ ⁴⁰/₅ and ²⁸/₁₈ ⁴⁰/₅ and ⁸⁴/₉ ⁴⁰/₁₅ and ²⁸/₉ ⁴⁰/₅ and ²⁸/₂₇ ⁴⁰/₂₅ and ²⁸/₉ ⁴⁰/₅ and ²⁸/₄₅ ⁴⁰/₃₅ and ²⁸/₉ ⁴⁰/₅ and ²⁸/₆₃

Compare Fractions Calculator