Compare 4/63 and 7/90
4/63 is smaller than 7/90
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,
4/63 = 4 × 10/63 × 10 = 40/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/630 < 49/630 or 4/63 < 7/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63 and 7/90 4/63 and 14/90 12/63 and 7/90 4/63 and 21/90 20/63 and 7/90 4/63 and 35/90 28/63 and 7/90 4/63 and 49/90