Compare 15/75 and 40/30
1st number: 15/75, 2nd number: 1 10/30
15/75 is smaller than 40/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
15/75 = 15 × 2/75 × 2 = 30/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
40/30 = 40 × 5/30 × 5 = 200/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/150 < 200/150 or 15/75 < 40/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75 and 40/30 15/75 and 80/30 15/75 and 40/60 45/75 and 40/30 15/75 and 40/90