Compare 10/20 and 8/30
10/20 is greater than 8/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
10/20 = 10 × 3/20 × 3 = 30/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/60 > 16/60 or 10/20 > 8/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20 and 16/30 10/40 and 8/30 10/20 and 8/60 30/20 and 8/30 10/20 and 24/30 10/60 and 8/30 10/20 and 8/90 50/20 and 8/30 10/20 and 40/30 70/20 and 8/30 10/20 and 56/30