Compare 12/90 and 7/63
12/90 is greater than 7/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/630 > 70/630 or 12/90 > 7/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90 and 7/63 12/90 and 14/63 36/90 and 7/63 12/90 and 21/63 60/90 and 7/63 12/90 and 35/63 84/90 and 7/63 12/90 and 49/63