Compare 18/9 and 42/84
1st number: 2 0/9, 2nd number: 42/84
18/9 is greater than 42/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
18/9 = 18 × 28/9 × 28 = 504/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/252 > 126/252 or 18/9 > 42/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9 and 42/84 54/9 and 42/84 18/27 and 42/84 90/9 and 42/84 18/45 and 42/84 18/63 and 42/84