Compare 20/8 and 15/45
1st number: 2 4/8, 2nd number: 15/45
20/8 is greater than 15/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 900/360 > 120/360 or 20/8 > 15/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8 and 15/45 20/8 and 30/45 20/16 and 15/45 20/8 and 15/90 60/8 and 15/45 20/24 and 15/45 20/8 and 75/45 20/40 and 15/45 20/56 and 15/45