Compare 12/7 and 45/90
1st number: 1 5/7, 2nd number: 45/90
12/7 is greater than 45/90
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,
12/7 = 12 × 90/7 × 90 = 1080/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
45/90 = 45 × 7/90 × 7 = 315/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/630 > 315/630 or 12/7 > 45/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/7 and 45/90 12/14 and 45/90 36/7 and 45/90 12/21 and 45/90 60/7 and 45/90 12/35 and 45/90 84/7 and 45/90 12/49 and 45/90