Compare 90/18 and 42/32
1st number: 5 0/18, 2nd number: 1 10/32
90/18 is greater than 42/32
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
90/18 = 90 × 16/18 × 16 = 1440/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
42/32 = 42 × 9/32 × 9 = 378/288 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1440/288 > 378/288 or 90/18 > 42/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18 and 84/32 90/36 and 42/32 90/18 and 42/64 90/54 and 42/32 90/18 and 42/96