Compare 3/63 and 30/90
3/63 is smaller than 30/90
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,
3/63 = 3 × 10/63 × 10 = 30/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/630 < 210/630 or 3/63 < 30/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63 and 30/90 3/63 and 60/90 9/63 and 30/90 15/63 and 30/90 21/63 and 30/90