Compare 1/5 and 12/30
1/5 is smaller than 12/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
1/5 = 1 × 6/5 × 6 = 6/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
12/30 = 12 × 1/30 × 1 = 12/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6/30 < 12/30 or 1/5 < 12/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5 and 12/30 1/5 and 24/30 1/10 and 12/30 1/5 and 12/60 3/5 and 12/30 1/5 and 36/30 1/15 and 12/30 1/5 and 12/90 1/5 and 60/30 1/25 and 12/30 7/5 and 12/30 1/5 and 84/30 1/35 and 12/30