Compare 6/84 and 40/80
6/84 is smaller than 40/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
6/84 = 6 × 20/84 × 20 = 120/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
40/80 = 40 × 21/80 × 21 = 840/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/1680 < 840/1680 or 6/84 < 40/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84 and 40/80 18/84 and 40/80 30/84 and 40/80 42/84 and 40/80