Compare 20/30 and 8/4
1st number: 20/30, 2nd number: 2 0/4
20/30 is smaller than 8/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
8/4 = 8 × 15/4 × 15 = 120/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/60 < 120/60 or 20/30 < 8/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30 and 8/4 20/30 and 16/4 20/60 and 8/4 60/30 and 8/4 20/30 and 24/4 20/90 and 8/4 20/30 and 8/12 20/30 and 40/4 20/30 and 8/20 20/30 and 56/4 20/30 and 8/28