Compare 2/90 and 63/42
1st number: 2/90, 2nd number: 1 21/42
2/90 is smaller than 63/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 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 42 × 15 = 630,
63/42 = 63 × 15/42 × 15 = 945/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14/630 < 945/630 or 2/90 < 63/42
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 63/42 2/90 and 63/84 6/90 and 63/42 10/90 and 63/42 14/90 and 63/42