Compare 12/15 and 1/42
12/15 is greater than 1/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
12/15 = 12 × 14/15 × 14 = 168/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/210 > 5/210 or 12/15 > 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15 and 1/42 12/15 and 2/42 12/30 and 1/42 12/15 and 1/84 36/15 and 1/42 12/15 and 3/42 12/45 and 1/42 60/15 and 1/42 12/15 and 5/42 12/75 and 1/42 84/15 and 1/42 12/15 and 7/42