Compare 42/14 and 36/21
1st number: 3 0/14, 2nd number: 1 15/21
42/14 is greater than 36/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
42/14 = 42 × 3/14 × 3 = 126/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
36/21 = 36 × 2/21 × 2 = 72/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/42 > 72/42 or 42/14 > 36/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14 and 36/21 42/14 and 72/21 42/28 and 36/21 42/14 and 36/42 42/14 and 36/63 42/70 and 36/21 42/98 and 36/21