Compare 20/49 and 20/90
20/49 is greater than 20/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
20/49 = 20 × 90/49 × 90 = 1800/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
20/90 = 20 × 49/90 × 49 = 980/4410 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1800/4410 > 980/4410 or 20/49 > 20/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49 and 20/90 20/49 and 40/90 20/98 and 20/90 60/49 and 20/90 20/49 and 60/90