Compare 2/5 and 30/80
2/5 is greater than 30/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 32/80 > 30/80 or 2/5 > 30/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5 and 30/80 2/5 and 60/80 2/10 and 30/80 6/5 and 30/80 2/5 and 90/80 2/15 and 30/80 10/5 and 30/80 2/25 and 30/80 14/5 and 30/80 2/35 and 30/80