Compare 18/9 and 90/63
1st number: 2 0/9, 2nd number: 1 27/63
18/9 is greater than 90/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
18/9 = 18 × 7/9 × 7 = 126/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/63 > 90/63 or 18/9 > 90/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9 and 90/63 54/9 and 90/63 18/27 and 90/63 90/9 and 90/63 18/45 and 90/63 18/63 and 90/63