Compare 20/45 and 49/30
1st number: 20/45, 2nd number: 1 19/30
20/45 is smaller than 49/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
20/45 = 20 × 2/45 × 2 = 40/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
49/30 = 49 × 3/30 × 3 = 147/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/90 < 147/90 or 20/45 < 49/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45 and 49/30 20/45 and 98/30 20/90 and 49/30 20/45 and 49/60 60/45 and 49/30 20/45 and 49/90