Compare 50/80 and 56/84
50/80 is smaller than 56/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
50/80 = 50 × 21/80 × 21 = 1050/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
56/84 = 56 × 20/84 × 20 = 1120/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1050/1680 < 1120/1680 or 50/80 < 56/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: