Compare 30/10 and 40/12
1st number: 3 0/10, 2nd number: 3 4/12
30/10 is smaller than 40/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
30/10 = 30 × 6/10 × 6 = 180/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/60 < 200/60 or 30/10 < 40/12
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 40/12 30/10 and 80/12 30/20 and 40/12 30/10 and 40/24 90/10 and 40/12 30/10 and 40/36 30/50 and 40/12 30/10 and 40/60 30/70 and 40/12 30/10 and 40/84