Compare 25/42 and 81/10
1st number: 25/42, 2nd number: 8 1/10
25/42 is smaller than 81/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
25/42 = 25 × 5/42 × 5 = 125/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
81/10 = 81 × 21/10 × 21 = 1701/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 125/210 < 1701/210 or 25/42 < 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42 and 81/10 25/84 and 81/10 25/42 and 81/20 75/42 and 81/10 25/42 and 81/30 25/42 and 81/50 25/42 and 81/70