Compare 42/16 and 63/20
1st number: 2 10/16, 2nd number: 3 3/20
42/16 is smaller than 63/20
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,
42/16 = 42 × 5/16 × 5 = 210/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
63/20 = 63 × 4/20 × 4 = 252/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/80 < 252/80 or 42/16 < 63/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16 and 63/20 42/32 and 63/20 42/16 and 63/40 42/48 and 63/20 42/16 and 63/60 42/80 and 63/20