Compare 18/32 and 25/40
18/32 is smaller than 25/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
25/40 = 25 × 4/40 × 4 = 100/160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/160 < 100/160 or 18/32 < 25/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/32 and 25/40 18/32 and 50/40 18/64 and 25/40 18/32 and 25/80 54/32 and 25/40 18/32 and 75/40 18/96 and 25/40 90/32 and 25/40