Compare 30/10 and 42/9
1st number: 3 0/10, 2nd number: 4 6/9
30/10 is smaller than 42/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/90 < 420/90 or 30/10 < 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10 and 42/9 30/10 and 84/9 30/20 and 42/9 30/10 and 42/18 90/10 and 42/9 30/10 and 42/27 30/50 and 42/9 30/10 and 42/45 30/70 and 42/9 30/10 and 42/63