Compare 45/50 and 10/40
45/50 is greater than 10/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
45/50 = 45 × 4/50 × 4 = 180/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
10/40 = 10 × 5/40 × 5 = 50/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/200 > 50/200 or 45/50 > 10/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50 and 10/40 45/50 and 20/40 45/50 and 10/80 45/50 and 30/40 45/50 and 50/40 45/50 and 70/40