Compare 50/20 and 45/40
1st number: 2 10/20, 2nd number: 1 5/40
50/20 is greater than 45/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
50/20 = 50 × 2/20 × 2 = 100/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/40 > 45/40 or 50/20 > 45/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20 and 90/40 50/40 and 45/40 50/20 and 45/80 50/60 and 45/40