Compare 90/45 and 8/72
1st number: 2 0/45, 2nd number: 8/72
90/45 is greater than 8/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/360 > 40/360 or 90/45 > 8/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45 and 16/72 90/45 and 24/72 90/45 and 40/72 90/45 and 56/72