Compare 25/2 and 20/42
1st number: 12 1/2, 2nd number: 20/42
25/2 is greater than 20/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
25/2 = 25 × 21/2 × 21 = 525/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/42 > 20/42 or 25/2 > 20/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2 and 20/42 25/2 and 40/42 25/4 and 20/42 25/2 and 20/84 75/2 and 20/42 25/2 and 60/42 25/6 and 20/42 25/10 and 20/42 25/14 and 20/42