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