Compare 20/75 and 72/40
1st number: 20/75, 2nd number: 1 32/40
20/75 is smaller than 72/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
20/75 = 20 × 8/75 × 8 = 160/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
72/40 = 72 × 15/40 × 15 = 1080/600 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 160/600 < 1080/600 or 20/75 < 72/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75 and 72/40 20/75 and 72/80 60/75 and 72/40