Compare 16/21 and 2/45
16/21 is greater than 2/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
16/21 = 16 × 15/21 × 15 = 240/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/315 > 14/315 or 16/21 > 2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21 and 2/45 16/21 and 4/45 16/42 and 2/45 16/21 and 2/90 48/21 and 2/45 16/21 and 6/45 16/63 and 2/45 80/21 and 2/45 16/21 and 10/45 16/21 and 14/45