Answers

Compare 21/6 and 2/84

1^st number: 3 3/6, 2^nd number: 2/84

21/6 is greater than 2/84

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 6 × 14 = 84,
   21/6 = 21 × 14/6 × 14 = 294/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   2/84 = 2 × 1/84 × 1 = 2/84
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 294/84 > 2/84 or 21/6 > 2/84

MathStep (Works offline)

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

Related: ⁴²/₆ and ²/₈₄ ²¹/₆ and ⁴/₈₄ ²¹/₁₂ and ²/₈₄ ⁶³/₆ and ²/₈₄ ²¹/₆ and ⁶/₈₄ ²¹/₁₈ and ²/₈₄ ²¹/₆ and ¹⁰/₈₄ ²¹/₃₀ and ²/₈₄ ²¹/₆ and ¹⁴/₈₄ ²¹/₄₂ and ²/₈₄

Compare Fractions Calculator