Compare 45/16 and 12/20
1st number: 2 13/16, 2nd number: 12/20
45/16 is greater than 12/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
45/16 = 45 × 5/16 × 5 = 225/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
12/20 = 12 × 4/20 × 4 = 48/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 225/80 > 48/80 or 45/16 > 12/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16 and 12/20 45/16 and 24/20 45/32 and 12/20 45/16 and 12/40 45/16 and 36/20 45/48 and 12/20 45/16 and 12/60 45/16 and 60/20 45/80 and 12/20 45/16 and 84/20