Compare 42/10 and 30/70
1st number: 4 2/10, 2nd number: 30/70
42/10 is greater than 30/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/70 > 30/70 or 42/10 > 30/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10 and 30/70 42/10 and 60/70 42/20 and 30/70 42/10 and 90/70 42/30 and 30/70 42/50 and 30/70 42/70 and 30/70