Compare 3/20 and 45/49
3/20 is smaller than 45/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
3/20 = 3 × 49/20 × 49 = 147/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
45/49 = 45 × 20/49 × 20 = 900/980 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/980 < 900/980 or 3/20 < 45/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20 and 45/49 3/20 and 90/49 3/40 and 45/49 3/20 and 45/98 9/20 and 45/49 3/60 and 45/49 15/20 and 45/49 21/20 and 45/49