Compare 2/20 and 7/45
2/20 is smaller than 7/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/180 < 28/180 or 2/20 < 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20 and 7/45 2/20 and 14/45 2/40 and 7/45 2/20 and 7/90 6/20 and 7/45 2/20 and 21/45 2/60 and 7/45 10/20 and 7/45 2/20 and 35/45 14/20 and 7/45 2/20 and 49/45