Compare 21/98 and 18/10
1st number: 21/98, 2nd number: 1 8/10
21/98 is smaller than 18/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
18/10 = 18 × 49/10 × 49 = 882/490 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/490 < 882/490 or 21/98 < 18/10
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 18/10 21/98 and 36/10 21/98 and 18/20 63/98 and 18/10 21/98 and 54/10 21/98 and 18/30 21/98 and 90/10 21/98 and 18/50 21/98 and 18/70