Compare 30/15 and 42/8
1st number: 2 0/15, 2nd number: 5 2/8
30/15 is smaller than 42/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
30/15 = 30 × 8/15 × 8 = 240/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
42/8 = 42 × 15/8 × 15 = 630/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/120 < 630/120 or 30/15 < 42/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15 and 42/8 30/15 and 84/8 30/15 and 42/16 90/15 and 42/8 30/45 and 42/8 30/15 and 42/24 30/75 and 42/8 30/15 and 42/40 30/15 and 42/56