Answers

Compare 90/40 and 50/84

1^st number: 2 10/40, 2^nd number: 50/84

90/40 is greater than 50/84

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 84 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   90/40 = 90 × 21/40 × 21 = 1890/840
3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
   50/84 = 50 × 10/84 × 10 = 500/840
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 1890/840 > 500/840 or 90/40 > 50/84

MathStep (Works offline)

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

Related: ⁹⁰/₈₀ and ⁵⁰/₈₄

Compare Fractions Calculator