Compare 90/28 and 63/30
1st number: 3 6/28, 2nd number: 2 3/30
90/28 is greater than 63/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
90/28 = 90 × 15/28 × 15 = 1350/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
63/30 = 63 × 14/30 × 14 = 882/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1350/420 > 882/420 or 90/28 > 63/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56 and 63/30 90/28 and 63/60 90/84 and 63/30 90/28 and 63/90