Compare 84/7 and 21/27
1st number: 12 0/7, 2nd number: 21/27
84/7 is greater than 21/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
84/7 = 84 × 27/7 × 27 = 2268/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
21/27 = 21 × 7/27 × 7 = 147/189 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2268/189 > 147/189 or 84/7 > 21/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7 and 42/27 84/14 and 21/27 84/7 and 21/54 84/7 and 63/27 84/21 and 21/27 84/7 and 21/81 84/35 and 21/27 84/49 and 21/27