Compare 16/20 and 50/90
16/20 is greater than 50/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
16/20 = 16 × 9/20 × 9 = 144/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
50/90 = 50 × 2/90 × 2 = 100/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 144/180 > 100/180 or 16/20 > 50/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/20 and 50/90 16/40 and 50/90 48/20 and 50/90 16/60 and 50/90 80/20 and 50/90