Compare 45/40 and 20/14
1st number: 1 5/40, 2nd number: 1 6/14
45/40 is smaller than 20/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
20/14 = 20 × 20/14 × 20 = 400/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/280 < 400/280 or 45/40 < 20/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40 and 20/14 45/40 and 40/14 45/80 and 20/14 45/40 and 20/28 45/40 and 60/14 45/40 and 20/42 45/40 and 20/70 45/40 and 20/98