Compare 21/10 and 16/45
1st number: 2 1/10, 2nd number: 16/45
21/10 is greater than 16/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
21/10 = 21 × 9/10 × 9 = 189/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
16/45 = 16 × 2/45 × 2 = 32/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/90 > 32/90 or 21/10 > 16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10 and 16/45 21/10 and 32/45 21/20 and 16/45 21/10 and 16/90 63/10 and 16/45 21/10 and 48/45 21/30 and 16/45 21/10 and 80/45 21/50 and 16/45 21/70 and 16/45