Compare 7/84 and 9/40
7/84 is smaller than 9/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
7/84 = 7 × 10/84 × 10 = 70/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
9/40 = 9 × 21/40 × 21 = 189/840 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/840 < 189/840 or 7/84 < 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84 and 9/40 7/84 and 18/40 7/84 and 9/80 21/84 and 9/40 7/84 and 27/40 35/84 and 9/40 7/84 and 45/40 49/84 and 9/40 7/84 and 63/40