Answers

Compare 21/15 and 14/54

1^st number: 1 6/15, 2^nd number: 14/54

21/15 is greater than 14/54

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 54 is 270
2. For the 1st fraction, since 15 × 18 = 270,
   21/15 = 21 × 18/15 × 18 = 378/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   14/54 = 14 × 5/54 × 5 = 70/270
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 378/270 > 70/270 or 21/15 > 14/54

MathStep (Works offline)

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

Related: ⁴²/₁₅ and ¹⁴/₅₄ ²¹/₁₅ and ²⁸/₅₄ ²¹/₃₀ and ¹⁴/₅₄ ⁶³/₁₅ and ¹⁴/₅₄ ²¹/₁₅ and ⁴²/₅₄ ²¹/₄₅ and ¹⁴/₅₄ ²¹/₁₅ and ⁷⁰/₅₄ ²¹/₇₅ and ¹⁴/₅₄ ²¹/₁₅ and ⁹⁸/₅₄

Compare Fractions Calculator