Compare 24/80 and 8/21
24/80 is smaller than 8/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 21 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
24/80 = 24 × 21/80 × 21 = 504/1680 - Likewise, for the 2nd fraction, since 21 × 80 = 1680,
8/21 = 8 × 80/21 × 80 = 640/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/1680 < 640/1680 or 24/80 < 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/80 and 8/21 24/80 and 16/21 24/80 and 8/42 72/80 and 8/21 24/80 and 24/21 24/80 and 8/63 24/80 and 40/21 24/80 and 56/21