Compare 18/40 and 25/50
18/40 is smaller than 25/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
18/40 = 18 × 5/40 × 5 = 90/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
25/50 = 25 × 4/50 × 4 = 100/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/200 < 100/200 or 18/40 < 25/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40 and 25/50 18/80 and 25/50 54/40 and 25/50 18/40 and 75/50 90/40 and 25/50