Compare 36/42 and 21/25
36/42 is greater than 21/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
36/42 = 36 × 25/42 × 25 = 900/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
21/25 = 21 × 42/25 × 42 = 882/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 900/1050 > 882/1050 or 36/42 > 21/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42 and 21/25 36/42 and 42/25 36/84 and 21/25 36/42 and 21/50 36/42 and 63/25 36/42 and 21/75