Compare 12/45 and 24/70
12/45 is smaller than 24/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
12/45 = 12 × 14/45 × 14 = 168/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/630 < 216/630 or 12/45 < 24/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45 and 24/70 12/45 and 48/70 12/90 and 24/70 36/45 and 24/70 12/45 and 72/70 60/45 and 24/70 84/45 and 24/70