Compare 15/48 and 42/30
1st number: 15/48, 2nd number: 1 12/30
15/48 is smaller than 42/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
15/48 = 15 × 5/48 × 5 = 75/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/240 < 336/240 or 15/48 < 42/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/48 and 42/30 15/48 and 84/30 15/96 and 42/30 15/48 and 42/60 45/48 and 42/30 15/48 and 42/90 75/48 and 42/30