Compare 12/28 and 5/42
12/28 is greater than 5/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
12/28 = 12 × 3/28 × 3 = 36/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/84 > 10/84 or 12/28 > 5/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28 and 5/42 12/28 and 10/42 12/56 and 5/42 12/28 and 5/84 36/28 and 5/42 12/28 and 15/42 12/84 and 5/42 60/28 and 5/42 12/28 and 25/42 84/28 and 5/42 12/28 and 35/42