Compare 12/63 and 9/90
12/63 is greater than 9/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
12/63 = 12 × 10/63 × 10 = 120/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/630 > 63/630 or 12/63 > 9/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63 and 9/90 12/63 and 18/90 36/63 and 9/90 12/63 and 27/90 60/63 and 9/90 12/63 and 45/90 84/63 and 9/90 12/63 and 63/90