Compare 25/50 and 18/40
25/50 is greater than 18/40
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,
25/50 = 25 × 4/50 × 4 = 100/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
18/40 = 18 × 5/40 × 5 = 90/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/200 > 90/200 or 25/50 > 18/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50 and 36/40 25/50 and 18/80 75/50 and 18/40 25/50 and 54/40 25/50 and 90/40