Compare 12/56 and 20/30
12/56 is smaller than 20/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
12/56 = 12 × 15/56 × 15 = 180/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
20/30 = 20 × 28/30 × 28 = 560/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/840 < 560/840 or 12/56 < 20/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56 and 20/30 12/56 and 40/30 12/56 and 20/60 36/56 and 20/30 12/56 and 60/30 12/56 and 20/90 60/56 and 20/30 84/56 and 20/30