Compare 27/70 and 45/72
27/70 is smaller than 45/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
27/70 = 27 × 36/70 × 36 = 972/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
45/72 = 45 × 35/72 × 35 = 1575/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 972/2520 < 1575/2520 or 27/70 < 45/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70 and 45/72 27/70 and 90/72 81/70 and 45/72