Compare 21/98 and 20/63
21/98 is smaller than 20/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
21/98 = 21 × 9/98 × 9 = 189/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
20/63 = 20 × 14/63 × 14 = 280/882 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/882 < 280/882 or 21/98 < 20/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98 and 20/63 21/98 and 40/63 63/98 and 20/63 21/98 and 60/63