Compare 20/4 and 45/6
1st number: 5 0/4, 2nd number: 7 3/6
20/4 is smaller than 45/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
20/4 = 20 × 3/4 × 3 = 60/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
45/6 = 45 × 2/6 × 2 = 90/12 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/12 < 90/12 or 20/4 < 45/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4 and 45/6 20/4 and 90/6 20/8 and 45/6 20/4 and 45/12 60/4 and 45/6 20/12 and 45/6 20/4 and 45/18 20/4 and 45/30 20/28 and 45/6 20/4 and 45/42