Compare 18/45 and 25/8
1st number: 18/45, 2nd number: 3 1/8
18/45 is smaller than 25/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 144/360 < 1125/360 or 18/45 < 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45 and 25/8 18/45 and 50/8 18/90 and 25/8 18/45 and 25/16 54/45 and 25/8 18/45 and 75/8 18/45 and 25/24 90/45 and 25/8 18/45 and 25/40 18/45 and 25/56