Compare 10/42 and 6/15
10/42 is smaller than 6/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
6/15 = 6 × 14/15 × 14 = 84/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/210 < 84/210 or 10/42 < 6/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42 and 6/15 10/42 and 12/15 10/84 and 6/15 10/42 and 6/30 30/42 and 6/15 10/42 and 18/15 10/42 and 6/45 50/42 and 6/15 10/42 and 30/15 10/42 and 6/75 70/42 and 6/15 10/42 and 42/15