Compare 42/2 and 20/10
1st number: 21 0/2, 2nd number: 2 0/10
42/2 is greater than 20/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
42/2 = 42 × 5/2 × 5 = 210/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
20/10 = 20 × 1/10 × 1 = 20/10 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/10 > 20/10 or 42/2 > 20/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2 and 20/10 42/2 and 40/10 42/4 and 20/10 42/2 and 60/10 42/6 and 20/10 42/2 and 20/30 42/10 and 20/10 42/2 and 20/50 42/14 and 20/10 42/2 and 20/70