Compare 54/42 and 5/20
1st number: 1 12/42, 2nd number: 5/20
54/42 is greater than 5/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
54/42 = 54 × 10/42 × 10 = 540/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
5/20 = 5 × 21/20 × 21 = 105/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/420 > 105/420 or 54/42 > 5/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42 and 10/20 54/84 and 5/20 54/42 and 5/40 54/42 and 15/20 54/42 and 5/60 54/42 and 25/20 54/42 and 35/20