Compare 36/7 and 21/18
1st number: 5 1/7, 2nd number: 1 3/18
36/7 is greater than 21/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
36/7 = 36 × 18/7 × 18 = 648/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
21/18 = 21 × 7/18 × 7 = 147/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 648/126 > 147/126 or 36/7 > 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7 and 21/18 36/7 and 42/18 36/14 and 21/18 36/7 and 21/36 36/7 and 63/18 36/21 and 21/18 36/7 and 21/54 36/35 and 21/18 36/7 and 21/90 36/49 and 21/18