Compare 42/10 and 64/20
1st number: 4 2/10, 2nd number: 3 4/20
42/10 is greater than 64/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
42/10 = 42 × 2/10 × 2 = 84/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
64/20 = 64 × 1/20 × 1 = 64/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/20 > 64/20 or 42/10 > 64/20
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 64/20 42/20 and 64/20 42/10 and 64/40 42/30 and 64/20 42/10 and 64/60 42/50 and 64/20 42/70 and 64/20