Compare 90/20 and 63/48
1st number: 4 10/20, 2nd number: 1 15/48
90/20 is greater than 63/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
90/20 = 90 × 12/20 × 12 = 1080/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
63/48 = 63 × 5/48 × 5 = 315/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/240 > 315/240 or 90/20 > 63/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40 and 63/48 90/20 and 63/96 90/60 and 63/48