Compare 7/45 and 14/81
7/45 is smaller than 14/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
7/45 = 7 × 9/45 × 9 = 63/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
14/81 = 14 × 5/81 × 5 = 70/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/405 < 70/405 or 7/45 < 14/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45 and 14/81 7/45 and 28/81 7/90 and 14/81 21/45 and 14/81 7/45 and 42/81 35/45 and 14/81 7/45 and 70/81 49/45 and 14/81 7/45 and 98/81