Compare 10/30 and 2/42
10/30 is greater than 2/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/210 > 10/210 or 10/30 > 2/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30 and 2/42 10/30 and 4/42 10/60 and 2/42 10/30 and 2/84 10/30 and 6/42 10/90 and 2/42 50/30 and 2/42 10/30 and 10/42 70/30 and 2/42 10/30 and 14/42