Compare 9/2 and 42/40
1st number: 4 1/2, 2nd number: 1 2/40
9/2 is greater than 42/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
9/2 = 9 × 20/2 × 20 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/40 > 42/40 or 9/2 > 42/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2 and 42/40 9/2 and 84/40 9/4 and 42/40 9/2 and 42/80 27/2 and 42/40 9/6 and 42/40 45/2 and 42/40 9/10 and 42/40 63/2 and 42/40 9/14 and 42/40