Compare 80/30 and 16/18
1st number: 2 20/30, 2nd number: 16/18
80/30 is greater than 16/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/90 > 80/90 or 80/30 > 16/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30 and 32/18 80/60 and 16/18 80/30 and 16/36 80/30 and 48/18 80/90 and 16/18 80/30 and 16/54 80/30 and 80/18 80/30 and 16/90