Compare 3/10 and 42/90
3/10 is smaller than 42/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 27/90 < 42/90 or 3/10 < 42/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10 and 42/90 3/10 and 84/90 3/20 and 42/90 9/10 and 42/90 3/30 and 42/90 15/10 and 42/90 3/50 and 42/90 21/10 and 42/90 3/70 and 42/90