Compare 28/7 and 15/90
1st number: 4 0/7, 2nd number: 15/90
28/7 is greater than 15/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
28/7 = 28 × 90/7 × 90 = 2520/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2520/630 > 105/630 or 28/7 > 15/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7 and 15/90 28/7 and 30/90 28/14 and 15/90 84/7 and 15/90 28/7 and 45/90 28/21 and 15/90 28/7 and 75/90 28/35 and 15/90 28/49 and 15/90