Compare 18/27 and 70/72
18/27 is smaller than 70/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
18/27 = 18 × 8/27 × 8 = 144/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
70/72 = 70 × 3/72 × 3 = 210/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 144/216 < 210/216 or 18/27 < 70/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27 and 70/72 18/54 and 70/72 54/27 and 70/72 18/81 and 70/72 90/27 and 70/72