Compare 42/50 and 27/45
42/50 is greater than 27/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
42/50 = 42 × 9/50 × 9 = 378/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
27/45 = 27 × 10/45 × 10 = 270/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/450 > 270/450 or 42/50 > 27/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50 and 27/45 42/50 and 54/45 42/50 and 27/90 42/50 and 81/45