Compare 15/30 and 32/80
15/30 is greater than 32/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
15/30 = 15 × 8/30 × 8 = 120/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
32/80 = 32 × 3/80 × 3 = 96/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/240 > 96/240 or 15/30 > 32/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30 and 64/80 15/60 and 32/80 45/30 and 32/80 15/30 and 96/80 15/90 and 32/80 75/30 and 32/80