Answers

Compare 21/5 and 7/70

1^st number: 4 1/5, 2^nd number: 7/70

21/5 is greater than 7/70

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 5 × 14 = 70,
   21/5 = 21 × 14/5 × 14 = 294/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   7/70 = 7 × 1/70 × 1 = 7/70
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 294/70 > 7/70 or 21/5 > 7/70

MathStep (Works offline)

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

Related: ⁴²/₅ and ⁷/₇₀ ²¹/₅ and ¹⁴/₇₀ ²¹/₁₀ and ⁷/₇₀ ⁶³/₅ and ⁷/₇₀ ²¹/₅ and ²¹/₇₀ ²¹/₁₅ and ⁷/₇₀ ²¹/₅ and ³⁵/₇₀ ²¹/₂₅ and ⁷/₇₀ ²¹/₅ and ⁴⁹/₇₀ ²¹/₃₅ and ⁷/₇₀

Compare Fractions Calculator