Compare 28/63 and 45/20
1st number: 28/63, 2nd number: 2 5/20
28/63 is smaller than 45/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
28/63 = 28 × 20/63 × 20 = 560/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
45/20 = 45 × 63/20 × 63 = 2835/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/1260 < 2835/1260 or 28/63 < 45/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63 and 45/20 28/63 and 90/20 28/63 and 45/40 84/63 and 45/20 28/63 and 45/60