Compare 90/10 and 42/4
1st number: 9 0/10, 2nd number: 10 2/4
90/10 is smaller than 42/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/20 < 210/20 or 90/10 < 42/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10 and 84/4 90/20 and 42/4 90/10 and 42/8 90/30 and 42/4 90/10 and 42/12 90/50 and 42/4 90/10 and 42/20 90/70 and 42/4 90/10 and 42/28