Compare 90/28 and 42/9
1st number: 3 6/28, 2nd number: 4 6/9
90/28 is smaller than 42/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
42/9 = 42 × 28/9 × 28 = 1176/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 810/252 < 1176/252 or 90/28 < 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28 and 84/9 90/56 and 42/9 90/28 and 42/18 90/84 and 42/9 90/28 and 42/27 90/28 and 42/45 90/28 and 42/63