Compare 30/90 and 14/70
30/90 is greater than 14/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
14/70 = 14 × 9/70 × 9 = 126/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/630 > 126/630 or 30/90 > 14/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90 and 14/70 30/90 and 28/70 30/90 and 42/70 30/90 and 98/70