Compare 8/90 and 10/40
8/90 is smaller than 10/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
8/90 = 8 × 4/90 × 4 = 32/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 32/360 < 90/360 or 8/90 < 10/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90 and 10/40 8/90 and 20/40 8/90 and 10/80 24/90 and 10/40 8/90 and 30/40 40/90 and 10/40 8/90 and 50/40 56/90 and 10/40 8/90 and 70/40