Compare 45/72 and 7/5
1st number: 45/72, 2nd number: 1 2/5
45/72 is smaller than 7/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
7/5 = 7 × 72/5 × 72 = 504/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 225/360 < 504/360 or 45/72 < 7/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72 and 7/5 45/72 and 14/5 45/72 and 7/10 45/72 and 21/5 45/72 and 7/15 45/72 and 35/5 45/72 and 7/25 45/72 and 49/5 45/72 and 7/35