Compare 30/49 and 18/63
30/49 is greater than 18/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
30/49 = 30 × 9/49 × 9 = 270/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
18/63 = 18 × 7/63 × 7 = 126/441 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/441 > 126/441 or 30/49 > 18/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49 and 18/63 30/49 and 36/63 30/98 and 18/63 90/49 and 18/63 30/49 and 54/63 30/49 and 90/63