Compare 20/15 and 7/45
1st number: 1 5/15, 2nd number: 7/45
20/15 is greater than 7/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
20/15 = 20 × 3/15 × 3 = 60/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
7/45 = 7 × 1/45 × 1 = 7/45 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/45 > 7/45 or 20/15 > 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15 and 7/45 20/15 and 14/45 20/30 and 7/45 20/15 and 7/90 60/15 and 7/45 20/15 and 21/45 20/45 and 7/45 20/15 and 35/45 20/75 and 7/45 20/15 and 49/45