Compare 2/90 and 35/21
1st number: 2/90, 2nd number: 1 14/21
2/90 is smaller than 35/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Likewise, for the 2nd fraction, since 21 × 30 = 630,
35/21 = 35 × 30/21 × 30 = 1050/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14/630 < 1050/630 or 2/90 < 35/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90 and 35/21 2/90 and 70/21 2/90 and 35/42 6/90 and 35/21 2/90 and 35/63 10/90 and 35/21 14/90 and 35/21