Compare 70/75 and 15/30
70/75 is greater than 15/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
70/75 = 70 × 2/75 × 2 = 140/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
15/30 = 15 × 5/30 × 5 = 75/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/150 > 75/150 or 70/75 > 15/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75 and 15/60 70/75 and 45/30 70/75 and 15/90 70/75 and 75/30