Compare 20/10 and 42/7
1st number: 2 0/10, 2nd number: 6 0/7
20/10 is smaller than 42/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
20/10 = 20 × 7/10 × 7 = 140/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
42/7 = 42 × 10/7 × 10 = 420/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/70 < 420/70 or 20/10 < 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10 and 42/7 20/10 and 84/7 20/10 and 42/14 60/10 and 42/7 20/30 and 42/7 20/10 and 42/21 20/50 and 42/7 20/10 and 42/35 20/70 and 42/7 20/10 and 42/49