Compare 16/9 and 50/21
1st number: 1 7/9, 2nd number: 2 8/21
16/9 is smaller than 50/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
16/9 = 16 × 7/9 × 7 = 112/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
50/21 = 50 × 3/21 × 3 = 150/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112/63 < 150/63 or 16/9 < 50/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/9 and 50/21 16/18 and 50/21 16/9 and 50/42 48/9 and 50/21 16/27 and 50/21 16/9 and 50/63 80/9 and 50/21 16/45 and 50/21 16/63 and 50/21