Compare 40/50 and 27/42
40/50 is greater than 27/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
40/50 = 40 × 21/50 × 21 = 840/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/1050 > 675/1050 or 40/50 > 27/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50 and 27/42 40/50 and 54/42 40/50 and 27/84 40/50 and 81/42