Compare 45/15 and 18/4
1st number: 3 0/15, 2nd number: 4 2/4
45/15 is smaller than 18/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
45/15 = 45 × 4/15 × 4 = 180/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/60 < 270/60 or 45/15 < 18/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15 and 18/4 45/15 and 36/4 45/30 and 18/4 45/15 and 18/8 45/15 and 54/4 45/15 and 18/12 45/15 and 90/4 45/75 and 18/4 45/15 and 18/20 45/15 and 18/28