Compare 18/28 and 30/49
18/28 is greater than 30/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
18/28 = 18 × 7/28 × 7 = 126/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
30/49 = 30 × 4/49 × 4 = 120/196 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/196 > 120/196 or 18/28 > 30/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28 and 30/49 18/28 and 60/49 18/56 and 30/49 18/28 and 30/98 54/28 and 30/49 18/28 and 90/49 18/84 and 30/49 90/28 and 30/49