Compare 8/45 and 20/36
8/45 is smaller than 20/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
8/45 = 8 × 4/45 × 4 = 32/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 32/180 < 100/180 or 8/45 < 20/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45 and 20/36 8/45 and 40/36 8/90 and 20/36 8/45 and 20/72 24/45 and 20/36 8/45 and 60/36 40/45 and 20/36 56/45 and 20/36