Compare 15/72 and 5/45
15/72 is greater than 5/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
5/45 = 5 × 8/45 × 8 = 40/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/360 > 40/360 or 15/72 > 5/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72 and 5/45 15/72 and 10/45 15/72 and 5/90 45/72 and 5/45 15/72 and 15/45 75/72 and 5/45 15/72 and 25/45 15/72 and 35/45