Answers

Compare 50/70 and 63/20

1^st number: 50/70, 2^nd number: 3 3/20

50/70 is smaller than 63/20

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   50/70 = 50 × 2/70 × 2 = 100/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   63/20 = 63 × 7/20 × 7 = 441/140
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 100/140 < 441/140 or 50/70 < 63/20

MathStep (Works offline)

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

Related: ⁵⁰/₇₀ and ⁶³/₄₀ ⁵⁰/₇₀ and ⁶³/₆₀

Compare Fractions Calculator