Compare 12/15 and 9/70
12/15 is greater than 9/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
12/15 = 12 × 14/15 × 14 = 168/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/210 > 27/210 or 12/15 > 9/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15 and 9/70 12/15 and 18/70 12/30 and 9/70 36/15 and 9/70 12/15 and 27/70 12/45 and 9/70 60/15 and 9/70 12/15 and 45/70 12/75 and 9/70 84/15 and 9/70 12/15 and 63/70