Compare 42/20 and 84/54
1st number: 2 2/20, 2nd number: 1 30/54
42/20 is greater than 84/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
42/20 = 42 × 27/20 × 27 = 1134/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
84/54 = 84 × 10/54 × 10 = 840/540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1134/540 > 840/540 or 42/20 > 84/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20 and 84/54 42/40 and 84/54 42/60 and 84/54