Compare 45/40 and 18/75
1st number: 1 5/40, 2nd number: 18/75
45/40 is greater than 18/75
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
45/40 = 45 × 15/40 × 15 = 675/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
18/75 = 18 × 8/75 × 8 = 144/600 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 675/600 > 144/600 or 45/40 > 18/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40 and 18/75 45/40 and 36/75 45/80 and 18/75 45/40 and 54/75 45/40 and 90/75