Compare 4/90 and 6/40
4/90 is smaller than 6/40
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,
4/90 = 4 × 4/90 × 4 = 16/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
6/40 = 6 × 9/40 × 9 = 54/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 16/360 < 54/360 or 4/90 < 6/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90 and 6/40 4/90 and 12/40 4/90 and 6/80 12/90 and 6/40 4/90 and 18/40 20/90 and 6/40 4/90 and 30/40 28/90 and 6/40 4/90 and 42/40